20500% is the change from 3 to 618
Calculation steps:
[( 618 - 3 ) ÷ 3] x 100 = 20500%
Formula
Percentage change = [(618 - 3) / 3] x 100
Subtract the new number by the original number
618 - 3 = 615
615 ÷ 3 = 205
205 x 100 = 20500%
Example