-97.69% is the change from 477 to 11
Calculation steps:
[( 11 - 477 ) ÷ 477] x 100 = -97.69%
Formula
Percentage change = [(11 - 477) / 477] x 100
Subtract the new number by the original number
11 - 477 = -466
-466 ÷ 477 = -0.9769392033542977
-0.9769392033542977 x 100 = -97.69%