45.48% is the change from 343 to 499
Calculation steps:
[( 499 - 343 ) ÷ 343] x 100 = 45.48%
Formula
Percentage change = [(499 - 343) / 343] x 100
Subtract the new number by the original number
499 - 343 = 156
156 ÷ 343 = 0.45481049562682213
0.45481049562682213 x 100 = 45.48%