-84.12% is the change from 976 to 155
Calculation steps:
[( 155 - 976 ) ÷ 976] x 100 = -84.12%
Formula
Percentage change = [(155 - 976) / 976] x 100
Subtract the new number by the original number
155 - 976 = -821
-821 ÷ 976 = -0.8411885245901639
-0.8411885245901639 x 100 = -84.12%