14.29% is the change from 770 to 880
Calculation steps:
[( 880 - 770 ) ÷ 770] x 100 = 14.29%
Formula
Percentage change = [(880 - 770) / 770] x 100
Subtract the new number by the original number
880 - 770 = 110
110 ÷ 770 = 0.14285714285714285
0.14285714285714285 x 100 = 14.29%