338.64% is the change from 88 to 386
Calculation steps:
[( 386 - 88 ) ÷ 88] x 100 = 338.64%
Formula
Percentage change = [(386 - 88) / 88] x 100
Subtract the new number by the original number
386 - 88 = 298
298 ÷ 88 = 3.3863636363636362
3.3863636363636362 x 100 = 338.64%