21.29% is the change from 634 to 769
Calculation steps:
[( 769 - 634 ) ÷ 634] x 100 = 21.29%
Formula
Percentage change = [(769 - 634) / 634] x 100
Subtract the new number by the original number
769 - 634 = 135
135 ÷ 634 = 0.21293375394321767
0.21293375394321767 x 100 = 21.29%