33.9% is the change from 531 to 711
Calculation steps:
[( 711 - 531 ) ÷ 531] x 100 = 33.9%
Formula
Percentage change = [(711 - 531) / 531] x 100
Subtract the new number by the original number
711 - 531 = 180
180 ÷ 531 = 0.3389830508474576
0.3389830508474576 x 100 = 33.9%