364.86% is the change from 74 to 344
Calculation steps:
[( 344 - 74 ) ÷ 74] x 100 = 364.86%
Formula
Percentage change = [(344 - 74) / 74] x 100
Subtract the new number by the original number
344 - 74 = 270
270 ÷ 74 = 3.6486486486486487
3.6486486486486487 x 100 = 364.86%