-71.52% is the change from 488 to 139
Calculation steps:
[( 139 - 488 ) ÷ 488] x 100 = -71.52%
Formula
Percentage change = [(139 - 488) / 488] x 100
Subtract the new number by the original number
139 - 488 = -349
-349 ÷ 488 = -0.7151639344262295
-0.7151639344262295 x 100 = -71.52%