104.45% is the change from 247 to 505
Calculation steps:
[( 505 - 247 ) ÷ 247] x 100 = 104.45%
Formula
Percentage change = [(505 - 247) / 247] x 100
Subtract the new number by the original number
505 - 247 = 258
258 ÷ 247 = 1.0445344129554657
1.0445344129554657 x 100 = 104.45%