20.82% is the change from 634 to 766
Calculation steps:
[( 766 - 634 ) ÷ 634] x 100 = 20.82%
Formula
Percentage change = [(766 - 634) / 634] x 100
Subtract the new number by the original number
766 - 634 = 132
132 ÷ 634 = 0.2082018927444795
0.2082018927444795 x 100 = 20.82%