231.52% is the change from 276 to 915
Calculation steps:
[( 915 - 276 ) ÷ 276] x 100 = 231.52%
Formula
Percentage change = [(915 - 276) / 276] x 100
Subtract the new number by the original number
915 - 276 = 639
639 ÷ 276 = 2.3152173913043477
2.3152173913043477 x 100 = 231.52%