0.42% is the change from 237 to 238
Calculation steps:
[( 238 - 237 ) ÷ 237] x 100 = 0.42%
Formula
Percentage change = [(238 - 237) / 237] x 100
Subtract the new number by the original number
238 - 237 = 1
1 ÷ 237 = 0.004219409282700422
0.004219409282700422 x 100 = 0.42%