108.81% is the change from 318 to 664
Calculation steps:
[( 664 - 318 ) ÷ 318] x 100 = 108.81%
Formula
Percentage change = [(664 - 318) / 318] x 100
Subtract the new number by the original number
664 - 318 = 346
346 ÷ 318 = 1.0880503144654088
1.0880503144654088 x 100 = 108.81%