-97.36% is the change from 417 to 11
Calculation steps:
[( 11 - 417 ) ÷ 417] x 100 = -97.36%
Formula
Percentage change = [(11 - 417) / 417] x 100
Subtract the new number by the original number
11 - 417 = -406
-406 ÷ 417 = -0.973621103117506
-0.973621103117506 x 100 = -97.36%