17.54% is the change from 570 to 670
Calculation steps:
[( 670 - 570 ) ÷ 570] x 100 = 17.54%
Formula
Percentage change = [(670 - 570) / 570] x 100
Subtract the new number by the original number
670 - 570 = 100
100 ÷ 570 = 0.17543859649122806
0.17543859649122806 x 100 = 17.54%