248.43% is the change from 223 to 777
Calculation steps:
[( 777 - 223 ) ÷ 223] x 100 = 248.43%
Formula
Percentage change = [(777 - 223) / 223] x 100
Subtract the new number by the original number
777 - 223 = 554
554 ÷ 223 = 2.484304932735426
2.484304932735426 x 100 = 248.43%