247.97% is the change from 123 to 428
Calculation steps:
[( 428 - 123 ) ÷ 123] x 100 = 247.97%
Formula
Percentage change = [(428 - 123) / 123] x 100
Subtract the new number by the original number
428 - 123 = 305
305 ÷ 123 = 2.4796747967479673
2.4796747967479673 x 100 = 247.97%