-84.72% is the change from 72 to 11
Calculation steps:
[( 11 - 72 ) ÷ 72] x 100 = -84.72%
Formula
Percentage change = [(11 - 72) / 72] x 100
Subtract the new number by the original number
11 - 72 = -61
-61 ÷ 72 = -0.8472222222222222
-0.8472222222222222 x 100 = -84.72%