446.48% is the change from 71 to 388
Calculation steps:
[( 388 - 71 ) ÷ 71] x 100 = 446.48%
Formula
Percentage change = [(388 - 71) / 71] x 100
Subtract the new number by the original number
388 - 71 = 317
317 ÷ 71 = 4.464788732394366
4.464788732394366 x 100 = 446.48%