436.36% is the change from 99 to 531
Calculation steps:
[( 531 - 99 ) ÷ 99] x 100 = 436.36%
Formula
Percentage change = [(531 - 99) / 99] x 100
Subtract the new number by the original number
531 - 99 = 432
432 ÷ 99 = 4.363636363636363
4.363636363636363 x 100 = 436.36%