21900% is the change from 2 to 440
Calculation steps:
[( 440 - 2 ) ÷ 2] x 100 = 21900%
Formula
Percentage change = [(440 - 2) / 2] x 100
Subtract the new number by the original number
440 - 2 = 438
438 ÷ 2 = 219
219 x 100 = 21900%
Example