27.21% is the change from 724 to 921
Calculation steps:
[( 921 - 724 ) ÷ 724] x 100 = 27.21%
Formula
Percentage change = [(921 - 724) / 724] x 100
Subtract the new number by the original number
921 - 724 = 197
197 ÷ 724 = 0.27209944751381215
0.27209944751381215 x 100 = 27.21%