49.85% is the change from 341 to 511
Calculation steps:
[( 511 - 341 ) ÷ 341] x 100 = 49.85%
Formula
Percentage change = [(511 - 341) / 341] x 100
Subtract the new number by the original number
511 - 341 = 170
170 ÷ 341 = 0.49853372434017595
0.49853372434017595 x 100 = 49.85%