199% is the change from 100 to 299
Calculation steps:
[( 299 - 100 ) ÷ 100] x 100 = 199%
Formula
Percentage change = [(299 - 100) / 100] x 100
Subtract the new number by the original number
299 - 100 = 199
199 ÷ 100 = 1.99
1.99 x 100 = 199%
Example