347.73% is the change from 88 to 394
Calculation steps:
[( 394 - 88 ) ÷ 88] x 100 = 347.73%
Formula
Percentage change = [(394 - 88) / 88] x 100
Subtract the new number by the original number
394 - 88 = 306
306 ÷ 88 = 3.477272727272727
3.477272727272727 x 100 = 347.73%