20.97% is the change from 720 to 871
Calculation steps:
[( 871 - 720 ) ÷ 720] x 100 = 20.97%
Formula
Percentage change = [(871 - 720) / 720] x 100
Subtract the new number by the original number
871 - 720 = 151
151 ÷ 720 = 0.20972222222222223
0.20972222222222223 x 100 = 20.97%