50.44% is the change from 341 to 513
Calculation steps:
[( 513 - 341 ) ÷ 341] x 100 = 50.44%
Formula
Percentage change = [(513 - 341) / 341] x 100
Subtract the new number by the original number
513 - 341 = 172
172 ÷ 341 = 0.5043988269794721
0.5043988269794721 x 100 = 50.44%