430.3% is the change from 99 to 525
Calculation steps:
[( 525 - 99 ) ÷ 99] x 100 = 430.3%
Formula
Percentage change = [(525 - 99) / 99] x 100
Subtract the new number by the original number
525 - 99 = 426
426 ÷ 99 = 4.303030303030303
4.303030303030303 x 100 = 430.3%