-70.55% is the change from 686 to 202
Calculation steps:
[( 202 - 686 ) ÷ 686] x 100 = -70.55%
Formula
Percentage change = [(202 - 686) / 686] x 100
Subtract the new number by the original number
202 - 686 = -484
-484 ÷ 686 = -0.7055393586005831
-0.7055393586005831 x 100 = -70.55%