-91.59% is the change from 856 to 72
Calculation steps:
[( 72 - 856 ) ÷ 856] x 100 = -91.59%
Formula
Percentage change = [(72 - 856) / 856] x 100
Subtract the new number by the original number
72 - 856 = -784
-784 ÷ 856 = -0.9158878504672897
-0.9158878504672897 x 100 = -91.59%