-81.97% is the change from 793 to 143
Calculation steps:
[( 143 - 793 ) ÷ 793] x 100 = -81.97%
Formula
Percentage change = [(143 - 793) / 793] x 100
Subtract the new number by the original number
143 - 793 = -650
-650 ÷ 793 = -0.819672131147541
-0.819672131147541 x 100 = -81.97%