-86.07% is the change from 976 to 136
Calculation steps:
[( 136 - 976 ) ÷ 976] x 100 = -86.07%
Formula
Percentage change = [(136 - 976) / 976] x 100
Subtract the new number by the original number
136 - 976 = -840
-840 ÷ 976 = -0.860655737704918
-0.860655737704918 x 100 = -86.07%