-90.57% is the change from 477 to 45
Calculation steps:
[( 45 - 477 ) ÷ 477] x 100 = -90.57%
Formula
Percentage change = [(45 - 477) / 477] x 100
Subtract the new number by the original number
45 - 477 = -432
-432 ÷ 477 = -0.9056603773584906
-0.9056603773584906 x 100 = -90.57%