-65.9% is the change from 478 to 163
Calculation steps:
[( 163 - 478 ) ÷ 478] x 100 = -65.9%
Formula
Percentage change = [(163 - 478) / 478] x 100
Subtract the new number by the original number
163 - 478 = -315
-315 ÷ 478 = -0.6589958158995816
-0.6589958158995816 x 100 = -65.9%