87.76% is the change from 531 to 997
Calculation steps:
[( 997 - 531 ) ÷ 531] x 100 = 87.76%
Formula
Percentage change = [(997 - 531) / 531] x 100
Subtract the new number by the original number
997 - 531 = 466
466 ÷ 531 = 0.8775894538606404
0.8775894538606404 x 100 = 87.76%