-83.72% is the change from 780 to 127
Calculation steps:
[( 127 - 780 ) ÷ 780] x 100 = -83.72%
Formula
Percentage change = [(127 - 780) / 780] x 100
Subtract the new number by the original number
127 - 780 = -653
-653 ÷ 780 = -0.8371794871794872
-0.8371794871794872 x 100 = -83.72%