-68.91% is the change from 685 to 213
Calculation steps:
[( 213 - 685 ) ÷ 685] x 100 = -68.91%
Formula
Percentage change = [(213 - 685) / 685] x 100
Subtract the new number by the original number
213 - 685 = -472
-472 ÷ 685 = -0.689051094890511
-0.689051094890511 x 100 = -68.91%