34.12% is the change from 381 to 511
Calculation steps:
[( 511 - 381 ) ÷ 381] x 100 = 34.12%
Formula
Percentage change = [(511 - 381) / 381] x 100
Subtract the new number by the original number
511 - 381 = 130
130 ÷ 381 = 0.34120734908136485
0.34120734908136485 x 100 = 34.12%