3150% is the change from 2 to 65
Calculation steps:
[( 65 - 2 ) ÷ 2] x 100 = 3150%
Formula
Percentage change = [(65 - 2) / 2] x 100
Subtract the new number by the original number
65 - 2 = 63
63 ÷ 2 = 31.5
31.5 x 100 = 3150%
Example