454.93% is the change from 71 to 394
Calculation steps:
[( 394 - 71 ) ÷ 71] x 100 = 454.93%
Formula
Percentage change = [(394 - 71) / 71] x 100
Subtract the new number by the original number
394 - 71 = 323
323 ÷ 71 = 4.549295774647887
4.549295774647887 x 100 = 454.93%