2045.16% is the change from 31 to 665
Calculation steps:
[( 665 - 31 ) ÷ 31] x 100 = 2045.16%
Formula
Percentage change = [(665 - 31) / 31] x 100
Subtract the new number by the original number
665 - 31 = 634
634 ÷ 31 = 20.451612903225808
20.451612903225808 x 100 = 2045.16%