-99.76% is the change from 417 to 1
Calculation steps:
[( 1 - 417 ) ÷ 417] x 100 = -99.76%
Formula
Percentage change = [(1 - 417) / 417] x 100
Subtract the new number by the original number
1 - 417 = -416
-416 ÷ 417 = -0.9976019184652278
-0.9976019184652278 x 100 = -99.76%