31600% is the change from 2 to 634
Calculation steps:
[( 634 - 2 ) ÷ 2] x 100 = 31600%
Formula
Percentage change = [(634 - 2) / 2] x 100
Subtract the new number by the original number
634 - 2 = 632
632 ÷ 2 = 316
316 x 100 = 31600%
Example