344.44% is the change from 99 to 440
Calculation steps:
[( 440 - 99 ) ÷ 99] x 100 = 344.44%
Formula
Percentage change = [(440 - 99) / 99] x 100
Subtract the new number by the original number
440 - 99 = 341
341 ÷ 99 = 3.4444444444444446
3.4444444444444446 x 100 = 344.44%