146.34% is the change from 123 to 303
Calculation steps:
[( 303 - 123 ) ÷ 123] x 100 = 146.34%
Formula
Percentage change = [(303 - 123) / 123] x 100
Subtract the new number by the original number
303 - 123 = 180
180 ÷ 123 = 1.4634146341463414
1.4634146341463414 x 100 = 146.34%