-21.92% is the change from 73 to 57
Calculation steps:
[( 57 - 73 ) ÷ 73] x 100 = -21.92%
Formula
Percentage change = [(57 - 73) / 73] x 100
Subtract the new number by the original number
57 - 73 = -16
-16 ÷ 73 = -0.2191780821917808
-0.2191780821917808 x 100 = -21.92%