4400% is the change from 1 to 45
Calculation steps:
[( 45 - 1 ) ÷ 1] x 100 = 4400%
Formula
Percentage change = [(45 - 1) / 1] x 100
Subtract the new number by the original number
45 - 1 = 44
44 ÷ 1 = 44
44 x 100 = 4400%
Example