16.31% is the change from 662 to 770
Calculation steps:
[( 770 - 662 ) ÷ 662] x 100 = 16.31%
Formula
Percentage change = [(770 - 662) / 662] x 100
Subtract the new number by the original number
770 - 662 = 108
108 ÷ 662 = 0.16314199395770393
0.16314199395770393 x 100 = 16.31%