2532.26% is the change from 31 to 816
Calculation steps:
[( 816 - 31 ) ÷ 31] x 100 = 2532.26%
Formula
Percentage change = [(816 - 31) / 31] x 100
Subtract the new number by the original number
816 - 31 = 785
785 ÷ 31 = 25.322580645161292
25.322580645161292 x 100 = 2532.26%