-83.5% is the change from 976 to 161
Calculation steps:
[( 161 - 976 ) ÷ 976] x 100 = -83.5%
Formula
Percentage change = [(161 - 976) / 976] x 100
Subtract the new number by the original number
161 - 976 = -815
-815 ÷ 976 = -0.8350409836065574
-0.8350409836065574 x 100 = -83.5%