115.48% is the change from 310 to 668
Calculation steps:
[( 668 - 310 ) ÷ 310] x 100 = 115.48%
Formula
Percentage change = [(668 - 310) / 310] x 100
Subtract the new number by the original number
668 - 310 = 358
358 ÷ 310 = 1.1548387096774193
1.1548387096774193 x 100 = 115.48%