435.35% is the change from 99 to 530
Calculation steps:
[( 530 - 99 ) ÷ 99] x 100 = 435.35%
Formula
Percentage change = [(530 - 99) / 99] x 100
Subtract the new number by the original number
530 - 99 = 431
431 ÷ 99 = 4.353535353535354
4.353535353535354 x 100 = 435.35%