470.42% is the change from 71 to 405
Calculation steps:
[( 405 - 71 ) ÷ 71] x 100 = 470.42%
Formula
Percentage change = [(405 - 71) / 71] x 100
Subtract the new number by the original number
405 - 71 = 334
334 ÷ 71 = 4.704225352112676
4.704225352112676 x 100 = 470.42%