-83.61% is the change from 781 to 128
Calculation steps:
[( 128 - 781 ) ÷ 781] x 100 = -83.61%
Formula
Percentage change = [(128 - 781) / 781] x 100
Subtract the new number by the original number
128 - 781 = -653
-653 ÷ 781 = -0.8361075544174136
-0.8361075544174136 x 100 = -83.61%