-69.52% is the change from 456 to 139
Calculation steps:
[( 139 - 456 ) ÷ 456] x 100 = -69.52%
Formula
Percentage change = [(139 - 456) / 456] x 100
Subtract the new number by the original number
139 - 456 = -317
-317 ÷ 456 = -0.6951754385964912
-0.6951754385964912 x 100 = -69.52%