100% is the change from 44 to 88
Calculation steps:
[( 88 - 44 ) ÷ 44] x 100 = 100%
Formula
Percentage change = [(88 - 44) / 44] x 100
Subtract the new number by the original number
88 - 44 = 44
44 ÷ 44 = 1
1 x 100 = 100%
Example