719.05% is the change from 42 to 344
Calculation steps:
[( 344 - 42 ) ÷ 42] x 100 = 719.05%
Formula
Percentage change = [(344 - 42) / 42] x 100
Subtract the new number by the original number
344 - 42 = 302
302 ÷ 42 = 7.190476190476191
7.190476190476191 x 100 = 719.05%