278.86% is the change from 123 to 466
Calculation steps:
[( 466 - 123 ) ÷ 123] x 100 = 278.86%
Formula
Percentage change = [(466 - 123) / 123] x 100
Subtract the new number by the original number
466 - 123 = 343
343 ÷ 123 = 2.7886178861788617
2.7886178861788617 x 100 = 278.86%