-58.95% is the change from 950 to 390
Calculation steps:
[( 390 - 950 ) ÷ 950] x 100 = -58.95%
Formula
Percentage change = [(390 - 950) / 950] x 100
Subtract the new number by the original number
390 - 950 = -560
-560 ÷ 950 = -0.5894736842105263
-0.5894736842105263 x 100 = -58.95%