0.58% is the change from 343 to 345
Calculation steps:
[( 345 - 343 ) ÷ 343] x 100 = 0.58%
Formula
Percentage change = [(345 - 343) / 343] x 100
Subtract the new number by the original number
345 - 343 = 2
2 ÷ 343 = 0.0058309037900874635
0.0058309037900874635 x 100 = 0.58%