481.43% is the change from 70 to 407
Calculation steps:
[( 407 - 70 ) ÷ 70] x 100 = 481.43%
Formula
Percentage change = [(407 - 70) / 70] x 100
Subtract the new number by the original number
407 - 70 = 337
337 ÷ 70 = 4.814285714285714
4.814285714285714 x 100 = 481.43%