114.1% is the change from 312 to 668
Calculation steps:
[( 668 - 312 ) ÷ 312] x 100 = 114.1%
Formula
Percentage change = [(668 - 312) / 312] x 100
Subtract the new number by the original number
668 - 312 = 356
356 ÷ 312 = 1.141025641025641
1.141025641025641 x 100 = 114.1%