670.27% is the change from 74 to 570
Calculation steps:
[( 570 - 74 ) ÷ 74] x 100 = 670.27%
Formula
Percentage change = [(570 - 74) / 74] x 100
Subtract the new number by the original number
570 - 74 = 496
496 ÷ 74 = 6.702702702702703
6.702702702702703 x 100 = 670.27%