21.27% is the change from 724 to 878
Calculation steps:
[( 878 - 724 ) ÷ 724] x 100 = 21.27%
Formula
Percentage change = [(878 - 724) / 724] x 100
Subtract the new number by the original number
878 - 724 = 154
154 ÷ 724 = 0.212707182320442
0.212707182320442 x 100 = 21.27%