-99.76% is the change from 415 to 1
Calculation steps:
[( 1 - 415 ) ÷ 415] x 100 = -99.76%
Formula
Percentage change = [(1 - 415) / 415] x 100
Subtract the new number by the original number
1 - 415 = -414
-414 ÷ 415 = -0.9975903614457832
-0.9975903614457832 x 100 = -99.76%