601.11% is the change from 90 to 631
Calculation steps:
[( 631 - 90 ) ÷ 90] x 100 = 601.11%
Formula
Percentage change = [(631 - 90) / 90] x 100
Subtract the new number by the original number
631 - 90 = 541
541 ÷ 90 = 6.011111111111111
6.011111111111111 x 100 = 601.11%