13.73% is the change from 765 to 870
Calculation steps:
[( 870 - 765 ) ÷ 765] x 100 = 13.73%
Formula
Percentage change = [(870 - 765) / 765] x 100
Subtract the new number by the original number
870 - 765 = 105
105 ÷ 765 = 0.13725490196078433
0.13725490196078433 x 100 = 13.73%