-83.92% is the change from 796 to 128
Calculation steps:
[( 128 - 796 ) ÷ 796] x 100 = -83.92%
Formula
Percentage change = [(128 - 796) / 796] x 100
Subtract the new number by the original number
128 - 796 = -668
-668 ÷ 796 = -0.8391959798994975
-0.8391959798994975 x 100 = -83.92%