333.56% is the change from 149 to 646
Calculation steps:
[( 646 - 149 ) ÷ 149] x 100 = 333.56%
Formula
Percentage change = [(646 - 149) / 149] x 100
Subtract the new number by the original number
646 - 149 = 497
497 ÷ 149 = 3.335570469798658
3.335570469798658 x 100 = 333.56%