18.33% is the change from 311 to 368
Calculation steps:
[( 368 - 311 ) ÷ 311] x 100 = 18.33%
Formula
Percentage change = [(368 - 311) / 311] x 100
Subtract the new number by the original number
368 - 311 = 57
57 ÷ 311 = 0.1832797427652733
0.1832797427652733 x 100 = 18.33%