611.43% is the change from 70 to 498
Calculation steps:
[( 498 - 70 ) ÷ 70] x 100 = 611.43%
Formula
Percentage change = [(498 - 70) / 70] x 100
Subtract the new number by the original number
498 - 70 = 428
428 ÷ 70 = 6.114285714285714
6.114285714285714 x 100 = 611.43%