-55.65% is the change from 478 to 212
Calculation steps:
[( 212 - 478 ) ÷ 478] x 100 = -55.65%
Formula
Percentage change = [(212 - 478) / 478] x 100
Subtract the new number by the original number
212 - 478 = -266
-266 ÷ 478 = -0.5564853556485355
-0.5564853556485355 x 100 = -55.65%