-83.27% is the change from 765 to 128
Calculation steps:
[( 128 - 765 ) ÷ 765] x 100 = -83.27%
Formula
Percentage change = [(128 - 765) / 765] x 100
Subtract the new number by the original number
128 - 765 = -637
-637 ÷ 765 = -0.8326797385620915
-0.8326797385620915 x 100 = -83.27%