In order to access them, you just need to click on the quick links available and solve the related problems easily. Quick Links for Percentage Conceptsīelow is the list of Percentage Worksheets available for several underlying concepts. In fact, you can find different methods of solving the percentage related problems in no time along with a clear and straight forward description. You will no longer feel the concept of percentage difficult once you start practicing these plethora of percent worksheets regularly. Solve the Problems in the Percentage Worksheets with Solutions and cross-check where you went wrong. Learn useful tricks, converting between fractions to percentages, percentages, and parts of a whole expressed as a percent value. You will learn percentage is nothing but a fraction over 100. Our Percentage Worksheets include finding Percentage of a Number, Calculating Percentage Increase, Decrease, changing decimals to and from percents, etc. There are several areas in percentages that you need to master in order to get grip on the concept. And now I will be trying to forget this again.Percentage is a concept that children often difficulty with while solving related problems. If you want this easy you have to change the question: How likely is that it will not happen (at least once) in 1 year? And suddenly the math is a lot easier.Ģ% chance for it too happen means 98% chance for it not to happen in any given monthly update.įrom here you just adapt the compound interest formula:Ġ.98^12 = 0,784716723734800033386496 or about 78% chance for it not to happen - thus 22% chance for it to happen (in those 12 intervalls). If something has a 2% chance per month, what is the chance for it to happen within 1 year? The effective percentage is defined as (Percentage^Interval) (percentage, Exponentiated to the number of intervalls).Įffective percentage = 1.05 ^ 5 = 1,2762815625 (multiply by that). You could propably run each year in a loop - but who got CPU cycles for that?įirst of all keep in mind you want to know what the value is after 105%, not 5%. The issue is that each time a "intervall" is passed, the Interest is added to the base value and used as new base value next year. If you got 5% interest per year and let it lie for 5 years, what will be the final sum?Ĭlassical mistake: Multiplying 5% with 5, using 25% once. Resulting Value = Base Value + (BaseValue * Multiplier)Ī tricky formula (especially when inverting it). Resulting value = Base Value * (1+multiplier)Įxamples, if the multiplier is -4% and the base value is 100:Īsuming several percentages apply to the same Base Value (like Planet, Pop and Reserach pact to Reserah cost), you can just sum them up and use that one resulting value.Įxample, 1 planet with 11 pops and research pact: Resulting Value = Base Value + (Base Value * Multiplier) Alternatively one can use: Once you moved it all to the files, figuring out how much something is after modifiers is easy: Wheter they are bonus or malus depends on wich value will be written there (positive or negative). The files are generally the best idea.Īvoid calling them "penalty" or "bonus" - call them plain modifiers or multipliers. It is rather important that you decide once if lessening percentages (-25% maintenance, -25% research cost) are accounted for in the code (minus opeation) or in the files (negative percentage value). Once you realise what it is short for, it becomes a lot easier to manage. This applies to programmers too, incidentialy. My Math teacher liked to say "Mathematicians are lazy - because the more you write, the more you can write wrong". I think I figured out some hard and fast rules to deal with those issues and hopefully avoid further mixups.Ĥ% is a short for "0.04, you should only ever be using this number in a multiplication operation". Indeed I messed up a few things while writing this post.īut I am not alone, as there have been a few instance where percentages got flipped in Stellaris - Military Station Maintenance is well known and in Asimov beta it happened with the Research Agreement buff. Both with a Calculator and as a Programmer.
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