-86.04% is the change from 974 to 136
Calculation steps:
[( 136 - 974 ) ÷ 974] x 100 = -86.04%
Formula
Percentage change = [(136 - 974) / 974] x 100
Subtract the new number by the original number
136 - 974 = -838
-838 ÷ 974 = -0.8603696098562629
-0.8603696098562629 x 100 = -86.04%