-63.59% is the change from 390 to 142
Calculation steps:
[( 142 - 390 ) ÷ 390] x 100 = -63.59%
Formula
Percentage change = [(142 - 390) / 390] x 100
Subtract the new number by the original number
142 - 390 = -248
-248 ÷ 390 = -0.6358974358974359
-0.6358974358974359 x 100 = -63.59%