110.93% is the change from 247 to 521
Calculation steps:
[( 521 - 247 ) ÷ 247] x 100 = 110.93%
Formula
Percentage change = [(521 - 247) / 247] x 100
Subtract the new number by the original number
521 - 247 = 274
274 ÷ 247 = 1.1093117408906883
1.1093117408906883 x 100 = 110.93%