-59.62% is the change from 686 to 277
Calculation steps:
[( 277 - 686 ) ÷ 686] x 100 = -59.62%
Formula
Percentage change = [(277 - 686) / 686] x 100
Subtract the new number by the original number
277 - 686 = -409
-409 ÷ 686 = -0.5962099125364432
-0.5962099125364432 x 100 = -59.62%