2116.13% is the change from 31 to 687
Calculation steps:
[( 687 - 31 ) ÷ 31] x 100 = 2116.13%
Formula
Percentage change = [(687 - 31) / 31] x 100
Subtract the new number by the original number
687 - 31 = 656
656 ÷ 31 = 21.161290322580644
21.161290322580644 x 100 = 2116.13%