-60.56% is the change from 71 to 28
Calculation steps:
[( 28 - 71 ) ÷ 71] x 100 = -60.56%
Formula
Percentage change = [(28 - 71) / 71] x 100
Subtract the new number by the original number
28 - 71 = -43
-43 ÷ 71 = -0.6056338028169014
-0.6056338028169014 x 100 = -60.56%