-99.59% is the change from 242 to 1
Calculation steps:
[( 1 - 242 ) ÷ 242] x 100 = -99.59%
Formula
Percentage change = [(1 - 242) / 242] x 100
Subtract the new number by the original number
1 - 242 = -241
-241 ÷ 242 = -0.9958677685950413
-0.9958677685950413 x 100 = -99.59%