44.9% is the change from 343 to 497
Calculation steps:
[( 497 - 343 ) ÷ 343] x 100 = 44.9%
Formula
Percentage change = [(497 - 343) / 343] x 100
Subtract the new number by the original number
497 - 343 = 154
154 ÷ 343 = 0.4489795918367347
0.4489795918367347 x 100 = 44.9%