-89.69% is the change from 97 to 10
Calculation steps:
[( 10 - 97 ) ÷ 97] x 100 = -89.69%
Formula
Percentage change = [(10 - 97) / 97] x 100
Subtract the new number by the original number
10 - 97 = -87
-87 ÷ 97 = -0.8969072164948454
-0.8969072164948454 x 100 = -89.69%