-99.54% is the change from 219 to 1
Calculation steps:
[( 1 - 219 ) ÷ 219] x 100 = -99.54%
Formula
Percentage change = [(1 - 219) / 219] x 100
Subtract the new number by the original number
1 - 219 = -218
-218 ÷ 219 = -0.9954337899543378
-0.9954337899543378 x 100 = -99.54%