-84.32% is the change from 810 to 127
Calculation steps:
[( 127 - 810 ) ÷ 810] x 100 = -84.32%
Formula
Percentage change = [(127 - 810) / 810] x 100
Subtract the new number by the original number
127 - 810 = -683
-683 ÷ 810 = -0.8432098765432099
-0.8432098765432099 x 100 = -84.32%