-99.37% is the change from 473 to 3
Calculation steps:
[( 3 - 473 ) ÷ 473] x 100 = -99.37%
Formula
Percentage change = [(3 - 473) / 473] x 100
Subtract the new number by the original number
3 - 473 = -470
-470 ÷ 473 = -0.9936575052854123
-0.9936575052854123 x 100 = -99.37%