-82.29% is the change from 813 to 144
Calculation steps:
[( 144 - 813 ) ÷ 813] x 100 = -82.29%
Formula
Percentage change = [(144 - 813) / 813] x 100
Subtract the new number by the original number
144 - 813 = -669
-669 ÷ 813 = -0.8228782287822878
-0.8228782287822878 x 100 = -82.29%