122.5% is the change from 240 to 534
Calculation steps:
[( 534 - 240 ) ÷ 240] x 100 = 122.5%
Formula
Percentage change = [(534 - 240) / 240] x 100
Subtract the new number by the original number
534 - 240 = 294
294 ÷ 240 = 1.225
1.225 x 100 = 122.5%
Example