2661.29% is the change from 31 to 856
Calculation steps:
[( 856 - 31 ) ÷ 31] x 100 = 2661.29%
Formula
Percentage change = [(856 - 31) / 31] x 100
Subtract the new number by the original number
856 - 31 = 825
825 ÷ 31 = 26.612903225806452
26.612903225806452 x 100 = 2661.29%