22.8% is the change from 750 to 921
Calculation steps:
[( 921 - 750 ) ÷ 750] x 100 = 22.8%
Formula
Percentage change = [(921 - 750) / 750] x 100
Subtract the new number by the original number
921 - 750 = 171
171 ÷ 750 = 0.228
0.228 x 100 = 22.8%
Example