116.99% is the change from 306 to 664
Calculation steps:
[( 664 - 306 ) ÷ 306] x 100 = 116.99%
Formula
Percentage change = [(664 - 306) / 306] x 100
Subtract the new number by the original number
664 - 306 = 358
358 ÷ 306 = 1.1699346405228759
1.1699346405228759 x 100 = 116.99%