42.12% is the change from 311 to 442
Calculation steps:
[( 442 - 311 ) ÷ 311] x 100 = 42.12%
Formula
Percentage change = [(442 - 311) / 311] x 100
Subtract the new number by the original number
442 - 311 = 131
131 ÷ 311 = 0.4212218649517685
0.4212218649517685 x 100 = 42.12%