-91.85% is the change from 981 to 80
Calculation steps:
[( 80 - 981 ) ÷ 981] x 100 = -91.85%
Formula
Percentage change = [(80 - 981) / 981] x 100
Subtract the new number by the original number
80 - 981 = -901
-901 ÷ 981 = -0.9184505606523955
-0.9184505606523955 x 100 = -91.85%