21.1% is the change from 711 to 861
Calculation steps:
[( 861 - 711 ) ÷ 711] x 100 = 21.1%
Formula
Percentage change = [(861 - 711) / 711] x 100
Subtract the new number by the original number
861 - 711 = 150
150 ÷ 711 = 0.2109704641350211
0.2109704641350211 x 100 = 21.1%