-71.55% is the change from 478 to 136
Calculation steps:
[( 136 - 478 ) ÷ 478] x 100 = -71.55%
Formula
Percentage change = [(136 - 478) / 478] x 100
Subtract the new number by the original number
136 - 478 = -342
-342 ÷ 478 = -0.7154811715481172
-0.7154811715481172 x 100 = -71.55%