-71.1% is the change from 481 to 139
Calculation steps:
[( 139 - 481 ) ÷ 481] x 100 = -71.1%
Formula
Percentage change = [(139 - 481) / 481] x 100
Subtract the new number by the original number
139 - 481 = -342
-342 ÷ 481 = -0.7110187110187111
-0.7110187110187111 x 100 = -71.1%