-70.71% is the change from 478 to 140
Calculation steps:
[( 140 - 478 ) ÷ 478] x 100 = -70.71%
Formula
Percentage change = [(140 - 478) / 478] x 100
Subtract the new number by the original number
140 - 478 = -338
-338 ÷ 478 = -0.7071129707112971
-0.7071129707112971 x 100 = -70.71%