34.47% is the change from 380 to 511
Calculation steps:
[( 511 - 380 ) ÷ 380] x 100 = 34.47%
Formula
Percentage change = [(511 - 380) / 380] x 100
Subtract the new number by the original number
511 - 380 = 131
131 ÷ 380 = 0.3447368421052632
0.3447368421052632 x 100 = 34.47%
Example