288.61% is the change from 237 to 921
Calculation steps:
[( 921 - 237 ) ÷ 237] x 100 = 288.61%
Formula
Percentage change = [(921 - 237) / 237] x 100
Subtract the new number by the original number
921 - 237 = 684
684 ÷ 237 = 2.8860759493670884
2.8860759493670884 x 100 = 288.61%