152.5% is the change from 240 to 606
Calculation steps:
[( 606 - 240 ) ÷ 240] x 100 = 152.5%
Formula
Percentage change = [(606 - 240) / 240] x 100
Subtract the new number by the original number
606 - 240 = 366
366 ÷ 240 = 1.525
1.525 x 100 = 152.5%
Example