-83.83% is the change from 847 to 137
Calculation steps:
[( 137 - 847 ) ÷ 847] x 100 = -83.83%
Formula
Percentage change = [(137 - 847) / 847] x 100
Subtract the new number by the original number
137 - 847 = -710
-710 ÷ 847 = -0.8382526564344747
-0.8382526564344747 x 100 = -83.83%