1.81% is the change from 331 to 337
Calculation steps:
[( 337 - 331 ) ÷ 331] x 100 = 1.81%
Formula
Percentage change = [(337 - 331) / 331] x 100
Subtract the new number by the original number
337 - 331 = 6
6 ÷ 331 = 0.01812688821752266
0.01812688821752266 x 100 = 1.81%