-40.46% is the change from 655 to 390
Calculation steps:
[( 390 - 655 ) ÷ 655] x 100 = -40.46%
Formula
Percentage change = [(390 - 655) / 655] x 100
Subtract the new number by the original number
390 - 655 = -265
-265 ÷ 655 = -0.40458015267175573
-0.40458015267175573 x 100 = -40.46%