20.53% is the change from 721 to 869
Calculation steps:
[( 869 - 721 ) ÷ 721] x 100 = 20.53%
Formula
Percentage change = [(869 - 721) / 721] x 100
Subtract the new number by the original number
869 - 721 = 148
148 ÷ 721 = 0.20527045769764216
0.20527045769764216 x 100 = 20.53%