344.35% is the change from 115 to 511
Calculation steps:
[( 511 - 115 ) ÷ 115] x 100 = 344.35%
Formula
Percentage change = [(511 - 115) / 115] x 100
Subtract the new number by the original number
511 - 115 = 396
396 ÷ 115 = 3.4434782608695653
3.4434782608695653 x 100 = 344.35%