19.61% is the change from 765 to 915
Calculation steps:
[( 915 - 765 ) ÷ 765] x 100 = 19.61%
Formula
Percentage change = [(915 - 765) / 765] x 100
Subtract the new number by the original number
915 - 765 = 150
150 ÷ 765 = 0.19607843137254902
0.19607843137254902 x 100 = 19.61%