268.54% is the change from 89 to 328
Calculation steps:
[( 328 - 89 ) ÷ 89] x 100 = 268.54%
Formula
Percentage change = [(328 - 89) / 89] x 100
Subtract the new number by the original number
328 - 89 = 239
239 ÷ 89 = 2.6853932584269664
2.6853932584269664 x 100 = 268.54%