150% is the change from 242 to 605
Calculation steps:
[( 605 - 242 ) ÷ 242] x 100 = 150%
Formula
Percentage change = [(605 - 242) / 242] x 100
Subtract the new number by the original number
605 - 242 = 363
363 ÷ 242 = 1.5
1.5 x 100 = 150%
Example