274.31% is the change from 109 to 408
Calculation steps:
[( 408 - 109 ) ÷ 109] x 100 = 274.31%
Formula
Percentage change = [(408 - 109) / 109] x 100
Subtract the new number by the original number
408 - 109 = 299
299 ÷ 109 = 2.743119266055046
2.743119266055046 x 100 = 274.31%