-71.32% is the change from 687 to 197
Calculation steps:
[( 197 - 687 ) ÷ 687] x 100 = -71.32%
Formula
Percentage change = [(197 - 687) / 687] x 100
Subtract the new number by the original number
197 - 687 = -490
-490 ÷ 687 = -0.7132459970887919
-0.7132459970887919 x 100 = -71.32%