625.71% is the change from 70 to 508
Calculation steps:
[( 508 - 70 ) ÷ 70] x 100 = 625.71%
Formula
Percentage change = [(508 - 70) / 70] x 100
Subtract the new number by the original number
508 - 70 = 438
438 ÷ 70 = 6.257142857142857
6.257142857142857 x 100 = 625.71%