2344.44% is the change from 18 to 440
Calculation steps:
[( 440 - 18 ) ÷ 18] x 100 = 2344.44%
Formula
Percentage change = [(440 - 18) / 18] x 100
Subtract the new number by the original number
440 - 18 = 422
422 ÷ 18 = 23.444444444444443
23.444444444444443 x 100 = 2344.44%