295.12% is the change from 123 to 486
Calculation steps:
[( 486 - 123 ) ÷ 123] x 100 = 295.12%
Formula
Percentage change = [(486 - 123) / 123] x 100
Subtract the new number by the original number
486 - 123 = 363
363 ÷ 123 = 2.951219512195122
2.951219512195122 x 100 = 295.12%