30.29% is the change from 340 to 443
Calculation steps:
[( 443 - 340 ) ÷ 340] x 100 = 30.29%
Formula
Percentage change = [(443 - 340) / 340] x 100
Subtract the new number by the original number
443 - 340 = 103
103 ÷ 340 = 0.3029411764705882
0.3029411764705882 x 100 = 30.29%