71.31% is the change from 237 to 406
Calculation steps:
[( 406 - 237 ) ÷ 237] x 100 = 71.31%
Formula
Percentage change = [(406 - 237) / 237] x 100
Subtract the new number by the original number
406 - 237 = 169
169 ÷ 237 = 0.7130801687763713
0.7130801687763713 x 100 = 71.31%