41.69% is the change from 343 to 486
Calculation steps:
[( 486 - 343 ) ÷ 343] x 100 = 41.69%
Formula
Percentage change = [(486 - 343) / 343] x 100
Subtract the new number by the original number
486 - 343 = 143
143 ÷ 343 = 0.41690962099125367
0.41690962099125367 x 100 = 41.69%