302.6% is the change from 231 to 930
Calculation steps:
[( 930 - 231 ) ÷ 231] x 100 = 302.6%
Formula
Percentage change = [(930 - 231) / 231] x 100
Subtract the new number by the original number
930 - 231 = 699
699 ÷ 231 = 3.0259740259740258
3.0259740259740258 x 100 = 302.6%