-77.7% is the change from 686 to 153
Calculation steps:
[( 153 - 686 ) ÷ 686] x 100 = -77.7%
Formula
Percentage change = [(153 - 686) / 686] x 100
Subtract the new number by the original number
153 - 686 = -533
-533 ÷ 686 = -0.7769679300291545
-0.7769679300291545 x 100 = -77.7%