-68.27% is the change from 687 to 218
Calculation steps:
[( 218 - 687 ) ÷ 687] x 100 = -68.27%
Formula
Percentage change = [(218 - 687) / 687] x 100
Subtract the new number by the original number
218 - 687 = -469
-469 ÷ 687 = -0.6826783114992722
-0.6826783114992722 x 100 = -68.27%