13.92% is the change from 237 to 270
Calculation steps:
[( 270 - 237 ) ÷ 237] x 100 = 13.92%
Formula
Percentage change = [(270 - 237) / 237] x 100
Subtract the new number by the original number
270 - 237 = 33
33 ÷ 237 = 0.13924050632911392
0.13924050632911392 x 100 = 13.92%