20.3% is the change from 591 to 711
Calculation steps:
[( 711 - 591 ) ÷ 591] x 100 = 20.3%
Formula
Percentage change = [(711 - 591) / 591] x 100
Subtract the new number by the original number
711 - 591 = 120
120 ÷ 591 = 0.20304568527918782
0.20304568527918782 x 100 = 20.3%