-84.93% is the change from 73 to 11
Calculation steps:
[( 11 - 73 ) ÷ 73] x 100 = -84.93%
Formula
Percentage change = [(11 - 73) / 73] x 100
Subtract the new number by the original number
11 - 73 = -62
-62 ÷ 73 = -0.8493150684931506
-0.8493150684931506 x 100 = -84.93%