31.8% is the change from 261 to 344
Calculation steps:
[( 344 - 261 ) ÷ 261] x 100 = 31.8%
Formula
Percentage change = [(344 - 261) / 261] x 100
Subtract the new number by the original number
344 - 261 = 83
83 ÷ 261 = 0.31800766283524906
0.31800766283524906 x 100 = 31.8%