20100% is the change from 3 to 606
Calculation steps:
[( 606 - 3 ) ÷ 3] x 100 = 20100%
Formula
Percentage change = [(606 - 3) / 3] x 100
Subtract the new number by the original number
606 - 3 = 603
603 ÷ 3 = 201
201 x 100 = 20100%
Example