-56.86% is the change from 663 to 286
Calculation steps:
[( 286 - 663 ) ÷ 663] x 100 = -56.86%
Formula
Percentage change = [(286 - 663) / 663] x 100
Subtract the new number by the original number
286 - 663 = -377
-377 ÷ 663 = -0.5686274509803921
-0.5686274509803921 x 100 = -56.86%