930.61% is the change from 49 to 505
Calculation steps:
[( 505 - 49 ) ÷ 49] x 100 = 930.61%
Formula
Percentage change = [(505 - 49) / 49] x 100
Subtract the new number by the original number
505 - 49 = 456
456 ÷ 49 = 9.306122448979592
9.306122448979592 x 100 = 930.61%