113.33% is the change from 240 to 512
Calculation steps:
[( 512 - 240 ) ÷ 240] x 100 = 113.33%
Formula
Percentage change = [(512 - 240) / 240] x 100
Subtract the new number by the original number
512 - 240 = 272
272 ÷ 240 = 1.1333333333333333
1.1333333333333333 x 100 = 113.33%