286.99% is the change from 123 to 476
Calculation steps:
[( 476 - 123 ) ÷ 123] x 100 = 286.99%
Formula
Percentage change = [(476 - 123) / 123] x 100
Subtract the new number by the original number
476 - 123 = 353
353 ÷ 123 = 2.869918699186992
2.869918699186992 x 100 = 286.99%