100% is the change from 222 to 444
Calculation steps:
[( 444 - 222 ) ÷ 222] x 100 = 100%
Formula
Percentage change = [(444 - 222) / 222] x 100
Subtract the new number by the original number
444 - 222 = 222
222 ÷ 222 = 1
1 x 100 = 100%
Example