-68.56% is the change from 687 to 216
Calculation steps:
[( 216 - 687 ) ÷ 687] x 100 = -68.56%
Formula
Percentage change = [(216 - 687) / 687] x 100
Subtract the new number by the original number
216 - 687 = -471
-471 ÷ 687 = -0.6855895196506551
-0.6855895196506551 x 100 = -68.56%