69.49% is the change from 531 to 900
Calculation steps:
[( 900 - 531 ) ÷ 531] x 100 = 69.49%
Formula
Percentage change = [(900 - 531) / 531] x 100
Subtract the new number by the original number
900 - 531 = 369
369 ÷ 531 = 0.6949152542372882
0.6949152542372882 x 100 = 69.49%