30550% is the change from 2 to 613
Calculation steps:
[( 613 - 2 ) ÷ 2] x 100 = 30550%
Formula
Percentage change = [(613 - 2) / 2] x 100
Subtract the new number by the original number
613 - 2 = 611
611 ÷ 2 = 305.5
305.5 x 100 = 30550%
Example