2019.35% is the change from 31 to 657
Calculation steps:
[( 657 - 31 ) ÷ 31] x 100 = 2019.35%
Formula
Percentage change = [(657 - 31) / 31] x 100
Subtract the new number by the original number
657 - 31 = 626
626 ÷ 31 = 20.193548387096776
20.193548387096776 x 100 = 2019.35%