309.52% is the change from 147 to 602
Calculation steps:
[( 602 - 147 ) ÷ 147] x 100 = 309.52%
Formula
Percentage change = [(602 - 147) / 147] x 100
Subtract the new number by the original number
602 - 147 = 455
455 ÷ 147 = 3.0952380952380953
3.0952380952380953 x 100 = 309.52%