320.78% is the change from 231 to 972
Calculation steps:
[( 972 - 231 ) ÷ 231] x 100 = 320.78%
Formula
Percentage change = [(972 - 231) / 231] x 100
Subtract the new number by the original number
972 - 231 = 741
741 ÷ 231 = 3.207792207792208
3.207792207792208 x 100 = 320.78%