991.3% is the change from 46 to 502
Calculation steps:
[( 502 - 46 ) ÷ 46] x 100 = 991.3%
Formula
Percentage change = [(502 - 46) / 46] x 100
Subtract the new number by the original number
502 - 46 = 456
456 ÷ 46 = 9.91304347826087
9.91304347826087 x 100 = 991.3%