8.15% is the change from 712 to 770
Calculation steps:
[( 770 - 712 ) ÷ 712] x 100 = 8.15%
Formula
Percentage change = [(770 - 712) / 712] x 100
Subtract the new number by the original number
770 - 712 = 58
58 ÷ 712 = 0.08146067415730338
0.08146067415730338 x 100 = 8.15%