21.8% is the change from 711 to 866
Calculation steps:
[( 866 - 711 ) ÷ 711] x 100 = 21.8%
Formula
Percentage change = [(866 - 711) / 711] x 100
Subtract the new number by the original number
866 - 711 = 155
155 ÷ 711 = 0.2180028129395218
0.2180028129395218 x 100 = 21.8%