-85.94% is the change from 690 to 97
Calculation steps:
[( 97 - 690 ) ÷ 690] x 100 = -85.94%
Formula
Percentage change = [(97 - 690) / 690] x 100
Subtract the new number by the original number
97 - 690 = -593
-593 ÷ 690 = -0.8594202898550725
-0.8594202898550725 x 100 = -85.94%