-97.28% is the change from 478 to 13
Calculation steps:
[( 13 - 478 ) ÷ 478] x 100 = -97.28%
Formula
Percentage change = [(13 - 478) / 478] x 100
Subtract the new number by the original number
13 - 478 = -465
-465 ÷ 478 = -0.9728033472803347
-0.9728033472803347 x 100 = -97.28%