48.99% is the change from 345 to 514
Calculation steps:
[( 514 - 345 ) ÷ 345] x 100 = 48.99%
Formula
Percentage change = [(514 - 345) / 345] x 100
Subtract the new number by the original number
514 - 345 = 169
169 ÷ 345 = 0.48985507246376814
0.48985507246376814 x 100 = 48.99%