1480.65% is the change from 31 to 490
Calculation steps:
[( 490 - 31 ) ÷ 31] x 100 = 1480.65%
Formula
Percentage change = [(490 - 31) / 31] x 100
Subtract the new number by the original number
490 - 31 = 459
459 ÷ 31 = 14.806451612903226
14.806451612903226 x 100 = 1480.65%