-91.77% is the change from 972 to 80
Calculation steps:
[( 80 - 972 ) ÷ 972] x 100 = -91.77%
Formula
Percentage change = [(80 - 972) / 972] x 100
Subtract the new number by the original number
80 - 972 = -892
-892 ÷ 972 = -0.9176954732510288
-0.9176954732510288 x 100 = -91.77%