-97.6% is the change from 417 to 10
Calculation steps:
[( 10 - 417 ) ÷ 417] x 100 = -97.6%
Formula
Percentage change = [(10 - 417) / 417] x 100
Subtract the new number by the original number
10 - 417 = -407
-407 ÷ 417 = -0.9760191846522782
-0.9760191846522782 x 100 = -97.6%