15.32% is the change from 770 to 888
Calculation steps:
[( 888 - 770 ) ÷ 770] x 100 = 15.32%
Formula
Percentage change = [(888 - 770) / 770] x 100
Subtract the new number by the original number
888 - 770 = 118
118 ÷ 770 = 0.15324675324675324
0.15324675324675324 x 100 = 15.32%