-68.22% is the change from 686 to 218
Calculation steps:
[( 218 - 686 ) ÷ 686] x 100 = -68.22%
Formula
Percentage change = [(218 - 686) / 686] x 100
Subtract the new number by the original number
218 - 686 = -468
-468 ÷ 686 = -0.6822157434402333
-0.6822157434402333 x 100 = -68.22%