349.49% is the change from 99 to 445
Calculation steps:
[( 445 - 99 ) ÷ 99] x 100 = 349.49%
Formula
Percentage change = [(445 - 99) / 99] x 100
Subtract the new number by the original number
445 - 99 = 346
346 ÷ 99 = 3.494949494949495
3.494949494949495 x 100 = 349.49%