-85.88% is the change from 687 to 97
Calculation steps:
[( 97 - 687 ) ÷ 687] x 100 = -85.88%
Formula
Percentage change = [(97 - 687) / 687] x 100
Subtract the new number by the original number
97 - 687 = -590
-590 ÷ 687 = -0.858806404657933
-0.858806404657933 x 100 = -85.88%