125.2% is the change from 123 to 277
Calculation steps:
[( 277 - 123 ) ÷ 123] x 100 = 125.2%
Formula
Percentage change = [(277 - 123) / 123] x 100
Subtract the new number by the original number
277 - 123 = 154
154 ÷ 123 = 1.2520325203252032
1.2520325203252032 x 100 = 125.2%