551.43% is the change from 70 to 456
Calculation steps:
[( 456 - 70 ) ÷ 70] x 100 = 551.43%
Formula
Percentage change = [(456 - 70) / 70] x 100
Subtract the new number by the original number
456 - 70 = 386
386 ÷ 70 = 5.514285714285714
5.514285714285714 x 100 = 551.43%