226.26% is the change from 99 to 323
Calculation steps:
[( 323 - 99 ) ÷ 99] x 100 = 226.26%
Formula
Percentage change = [(323 - 99) / 99] x 100
Subtract the new number by the original number
323 - 99 = 224
224 ÷ 99 = 2.2626262626262625
2.2626262626262625 x 100 = 226.26%