-67.57% is the change from 478 to 155
Calculation steps:
[( 155 - 478 ) ÷ 478] x 100 = -67.57%
Formula
Percentage change = [(155 - 478) / 478] x 100
Subtract the new number by the original number
155 - 478 = -323
-323 ÷ 478 = -0.6757322175732218
-0.6757322175732218 x 100 = -67.57%