7.69% is the change from 312 to 336
Calculation steps:
[( 336 - 312 ) ÷ 312] x 100 = 7.69%
Formula
Percentage change = [(336 - 312) / 312] x 100
Subtract the new number by the original number
336 - 312 = 24
24 ÷ 312 = 0.07692307692307693
0.07692307692307693 x 100 = 7.69%