228% is the change from 100 to 328
Calculation steps:
[( 328 - 100 ) ÷ 100] x 100 = 228%
Formula
Percentage change = [(328 - 100) / 100] x 100
Subtract the new number by the original number
328 - 100 = 228
228 ÷ 100 = 2.28
2.28 x 100 = 228%
Example