2041.94% is the change from 31 to 664
Calculation steps:
[( 664 - 31 ) ÷ 31] x 100 = 2041.94%
Formula
Percentage change = [(664 - 31) / 31] x 100
Subtract the new number by the original number
664 - 31 = 633
633 ÷ 31 = 20.419354838709676
20.419354838709676 x 100 = 2041.94%