2070.97% is the change from 31 to 673
Calculation steps:
[( 673 - 31 ) ÷ 31] x 100 = 2070.97%
Formula
Percentage change = [(673 - 31) / 31] x 100
Subtract the new number by the original number
673 - 31 = 642
642 ÷ 31 = 20.70967741935484
20.70967741935484 x 100 = 2070.97%