112.92% is the change from 240 to 511
Calculation steps:
[( 511 - 240 ) ÷ 240] x 100 = 112.92%
Formula
Percentage change = [(511 - 240) / 240] x 100
Subtract the new number by the original number
511 - 240 = 271
271 ÷ 240 = 1.1291666666666667
1.1291666666666667 x 100 = 112.92%