-68.95% is the change from 686 to 213
Calculation steps:
[( 213 - 686 ) ÷ 686] x 100 = -68.95%
Formula
Percentage change = [(213 - 686) / 686] x 100
Subtract the new number by the original number
213 - 686 = -473
-473 ÷ 686 = -0.6895043731778425
-0.6895043731778425 x 100 = -68.95%