-69.14% is the change from 687 to 212
Calculation steps:
[( 212 - 687 ) ÷ 687] x 100 = -69.14%
Formula
Percentage change = [(212 - 687) / 687] x 100
Subtract the new number by the original number
212 - 687 = -475
-475 ÷ 687 = -0.6914119359534207
-0.6914119359534207 x 100 = -69.14%