-42.27% is the change from 97 to 56
Calculation steps:
[( 56 - 97 ) ÷ 97] x 100 = -42.27%
Formula
Percentage change = [(56 - 97) / 97] x 100
Subtract the new number by the original number
56 - 97 = -41
-41 ÷ 97 = -0.422680412371134
-0.422680412371134 x 100 = -42.27%