49.85% is the change from 343 to 514
Calculation steps:
[( 514 - 343 ) ÷ 343] x 100 = 49.85%
Formula
Percentage change = [(514 - 343) / 343] x 100
Subtract the new number by the original number
514 - 343 = 171
171 ÷ 343 = 0.49854227405247814
0.49854227405247814 x 100 = 49.85%