-98.08% is the change from 417 to 8
Calculation steps:
[( 8 - 417 ) ÷ 417] x 100 = -98.08%
Formula
Percentage change = [(8 - 417) / 417] x 100
Subtract the new number by the original number
8 - 417 = -409
-409 ÷ 417 = -0.9808153477218226
-0.9808153477218226 x 100 = -98.08%