-91.87% is the change from 972 to 79
Calculation steps:
[( 79 - 972 ) ÷ 972] x 100 = -91.87%
Formula
Percentage change = [(79 - 972) / 972] x 100
Subtract the new number by the original number
79 - 972 = -893
-893 ÷ 972 = -0.918724279835391
-0.918724279835391 x 100 = -91.87%