-98.1% is the change from 474 to 9
Calculation steps:
[( 9 - 474 ) ÷ 474] x 100 = -98.1%
Formula
Percentage change = [(9 - 474) / 474] x 100
Subtract the new number by the original number
9 - 474 = -465
-465 ÷ 474 = -0.9810126582278481
-0.9810126582278481 x 100 = -98.1%