509.4% is the change from 149 to 908
Calculation steps:
[( 908 - 149 ) ÷ 149] x 100 = 509.4%
Formula
Percentage change = [(908 - 149) / 149] x 100
Subtract the new number by the original number
908 - 149 = 759
759 ÷ 149 = 5.093959731543624
5.093959731543624 x 100 = 509.4%