525.71% is the change from 70 to 438
Calculation steps:
[( 438 - 70 ) ÷ 70] x 100 = 525.71%
Formula
Percentage change = [(438 - 70) / 70] x 100
Subtract the new number by the original number
438 - 70 = 368
368 ÷ 70 = 5.257142857142857
5.257142857142857 x 100 = 525.71%