46.36% is the change from 343 to 502
Calculation steps:
[( 502 - 343 ) ÷ 343] x 100 = 46.36%
Formula
Percentage change = [(502 - 343) / 343] x 100
Subtract the new number by the original number
502 - 343 = 159
159 ÷ 343 = 0.46355685131195334
0.46355685131195334 x 100 = 46.36%