52.73% is the change from 531 to 811
Calculation steps:
[( 811 - 531 ) ÷ 531] x 100 = 52.73%
Formula
Percentage change = [(811 - 531) / 531] x 100
Subtract the new number by the original number
811 - 531 = 280
280 ÷ 531 = 0.527306967984934
0.527306967984934 x 100 = 52.73%