-91.5% is the change from 976 to 83
Calculation steps:
[( 83 - 976 ) ÷ 976] x 100 = -91.5%
Formula
Percentage change = [(83 - 976) / 976] x 100
Subtract the new number by the original number
83 - 976 = -893
-893 ÷ 976 = -0.9149590163934426
-0.9149590163934426 x 100 = -91.5%