21.59% is the change from 630 to 766
Calculation steps:
[( 766 - 630 ) ÷ 630] x 100 = 21.59%
Formula
Percentage change = [(766 - 630) / 630] x 100
Subtract the new number by the original number
766 - 630 = 136
136 ÷ 630 = 0.21587301587301588
0.21587301587301588 x 100 = 21.59%