4400% is the change from 2 to 90
Calculation steps:
[( 90 - 2 ) ÷ 2] x 100 = 4400%
Formula
Percentage change = [(90 - 2) / 2] x 100
Subtract the new number by the original number
90 - 2 = 88
88 ÷ 2 = 44
44 x 100 = 4400%
Example