-12.37% is the change from 97 to 85
Calculation steps:
[( 85 - 97 ) ÷ 97] x 100 = -12.37%
Formula
Percentage change = [(85 - 97) / 97] x 100
Subtract the new number by the original number
85 - 97 = -12
-12 ÷ 97 = -0.12371134020618557
-0.12371134020618557 x 100 = -12.37%