-90.91% is the change from 946 to 86
Calculation steps:
[( 86 - 946 ) ÷ 946] x 100 = -90.91%
Formula
Percentage change = [(86 - 946) / 946] x 100
Subtract the new number by the original number
86 - 946 = -860
-860 ÷ 946 = -0.9090909090909091
-0.9090909090909091 x 100 = -90.91%