30700% is the change from 2 to 616
Calculation steps:
[( 616 - 2 ) ÷ 2] x 100 = 30700%
Formula
Percentage change = [(616 - 2) / 2] x 100
Subtract the new number by the original number
616 - 2 = 614
614 ÷ 2 = 307
307 x 100 = 30700%
Example