40.4% is the change from 656 to 921
Calculation steps:
[( 921 - 656 ) ÷ 656] x 100 = 40.4%
Formula
Percentage change = [(921 - 656) / 656] x 100
Subtract the new number by the original number
921 - 656 = 265
265 ÷ 656 = 0.40396341463414637
0.40396341463414637 x 100 = 40.4%