106.48% is the change from 247 to 510
Calculation steps:
[( 510 - 247 ) ÷ 247] x 100 = 106.48%
Formula
Percentage change = [(510 - 247) / 247] x 100
Subtract the new number by the original number
510 - 247 = 263
263 ÷ 247 = 1.0647773279352226
1.0647773279352226 x 100 = 106.48%