329.77% is the change from 215 to 924
Calculation steps:
[( 924 - 215 ) ÷ 215] x 100 = 329.77%
Formula
Percentage change = [(924 - 215) / 215] x 100
Subtract the new number by the original number
924 - 215 = 709
709 ÷ 215 = 3.297674418604651
3.297674418604651 x 100 = 329.77%