1226.09% is the change from 23 to 305
Calculation steps:
[( 305 - 23 ) ÷ 23] x 100 = 1226.09%
Formula
Percentage change = [(305 - 23) / 23] x 100
Subtract the new number by the original number
305 - 23 = 282
282 ÷ 23 = 12.26086956521739
12.26086956521739 x 100 = 1226.09%