-97.48% is the change from 477 to 12
Calculation steps:
[( 12 - 477 ) ÷ 477] x 100 = -97.48%
Formula
Percentage change = [(12 - 477) / 477] x 100
Subtract the new number by the original number
12 - 477 = -465
-465 ÷ 477 = -0.9748427672955975
-0.9748427672955975 x 100 = -97.48%