674.29% is the change from 70 to 542
Calculation steps:
[( 542 - 70 ) ÷ 70] x 100 = 674.29%
Formula
Percentage change = [(542 - 70) / 70] x 100
Subtract the new number by the original number
542 - 70 = 472
472 ÷ 70 = 6.742857142857143
6.742857142857143 x 100 = 674.29%