346.46% is the change from 99 to 442
Calculation steps:
[( 442 - 99 ) ÷ 99] x 100 = 346.46%
Formula
Percentage change = [(442 - 99) / 99] x 100
Subtract the new number by the original number
442 - 99 = 343
343 ÷ 99 = 3.4646464646464645
3.4646464646464645 x 100 = 346.46%