21.66% is the change from 757 to 921
Calculation steps:
[( 921 - 757 ) ÷ 757] x 100 = 21.66%
Formula
Percentage change = [(921 - 757) / 757] x 100
Subtract the new number by the original number
921 - 757 = 164
164 ÷ 757 = 0.2166446499339498
0.2166446499339498 x 100 = 21.66%