431.31% is the change from 99 to 526
Calculation steps:
[( 526 - 99 ) ÷ 99] x 100 = 431.31%
Formula
Percentage change = [(526 - 99) / 99] x 100
Subtract the new number by the original number
526 - 99 = 427
427 ÷ 99 = 4.313131313131313
4.313131313131313 x 100 = 431.31%