18.79% is the change from 564 to 670
Calculation steps:
[( 670 - 564 ) ÷ 564] x 100 = 18.79%
Formula
Percentage change = [(670 - 564) / 564] x 100
Subtract the new number by the original number
670 - 564 = 106
106 ÷ 564 = 0.1879432624113475
0.1879432624113475 x 100 = 18.79%