41.28% is the change from 344 to 486
Calculation steps:
[( 486 - 344 ) ÷ 344] x 100 = 41.28%
Formula
Percentage change = [(486 - 344) / 344] x 100
Subtract the new number by the original number
486 - 344 = 142
142 ÷ 344 = 0.4127906976744186
0.4127906976744186 x 100 = 41.28%