390.14% is the change from 71 to 348
Calculation steps:
[( 348 - 71 ) ÷ 71] x 100 = 390.14%
Formula
Percentage change = [(348 - 71) / 71] x 100
Subtract the new number by the original number
348 - 71 = 277
277 ÷ 71 = 3.9014084507042255
3.9014084507042255 x 100 = 390.14%