238.6% is the change from 272 to 921
Calculation steps:
[( 921 - 272 ) ÷ 272] x 100 = 238.6%
Formula
Percentage change = [(921 - 272) / 272] x 100
Subtract the new number by the original number
921 - 272 = 649
649 ÷ 272 = 2.386029411764706
2.386029411764706 x 100 = 238.6%