17.91% is the change from 776 to 915
Calculation steps:
[( 915 - 776 ) ÷ 776] x 100 = 17.91%
Formula
Percentage change = [(915 - 776) / 776] x 100
Subtract the new number by the original number
915 - 776 = 139
139 ÷ 776 = 0.1791237113402062
0.1791237113402062 x 100 = 17.91%