31650% is the change from 2 to 635
Calculation steps:
[( 635 - 2 ) ÷ 2] x 100 = 31650%
Formula
Percentage change = [(635 - 2) / 2] x 100
Subtract the new number by the original number
635 - 2 = 633
633 ÷ 2 = 316.5
316.5 x 100 = 31650%
Example