307.33% is the change from 150 to 611
Calculation steps:
[( 611 - 150 ) ÷ 150] x 100 = 307.33%
Formula
Percentage change = [(611 - 150) / 150] x 100
Subtract the new number by the original number
611 - 150 = 461
461 ÷ 150 = 3.0733333333333333
3.0733333333333333 x 100 = 307.33%