270.51% is the change from 217 to 804
Calculation steps:
[( 804 - 217 ) ÷ 217] x 100 = 270.51%
Formula
Percentage change = [(804 - 217) / 217] x 100
Subtract the new number by the original number
804 - 217 = 587
587 ÷ 217 = 2.705069124423963
2.705069124423963 x 100 = 270.51%