37.99% is the change from 229 to 316
Calculation steps:
[( 316 - 229 ) ÷ 229] x 100 = 37.99%
Formula
Percentage change = [(316 - 229) / 229] x 100
Subtract the new number by the original number
316 - 229 = 87
87 ÷ 229 = 0.3799126637554585
0.3799126637554585 x 100 = 37.99%