-98.3% is the change from 470 to 8
Calculation steps:
[( 8 - 470 ) ÷ 470] x 100 = -98.3%
Formula
Percentage change = [(8 - 470) / 470] x 100
Subtract the new number by the original number
8 - 470 = -462
-462 ÷ 470 = -0.9829787234042553
-0.9829787234042553 x 100 = -98.3%