-72.13% is the change from 488 to 136
Calculation steps:
[( 136 - 488 ) ÷ 488] x 100 = -72.13%
Formula
Percentage change = [(136 - 488) / 488] x 100
Subtract the new number by the original number
136 - 488 = -352
-352 ÷ 488 = -0.7213114754098361
-0.7213114754098361 x 100 = -72.13%