-86.89% is the change from 976 to 128
Calculation steps:
[( 128 - 976 ) ÷ 976] x 100 = -86.89%
Formula
Percentage change = [(128 - 976) / 976] x 100
Subtract the new number by the original number
128 - 976 = -848
-848 ÷ 976 = -0.8688524590163934
-0.8688524590163934 x 100 = -86.89%