-87.05% is the change from 417 to 54
Calculation steps:
[( 54 - 417 ) ÷ 417] x 100 = -87.05%
Formula
Percentage change = [(54 - 417) / 417] x 100
Subtract the new number by the original number
54 - 417 = -363
-363 ÷ 417 = -0.8705035971223022
-0.8705035971223022 x 100 = -87.05%