918.37% is the change from 49 to 499
Calculation steps:
[( 499 - 49 ) ÷ 49] x 100 = 918.37%
Formula
Percentage change = [(499 - 49) / 49] x 100
Subtract the new number by the original number
499 - 49 = 450
450 ÷ 49 = 9.183673469387756
9.183673469387756 x 100 = 918.37%