314.75% is the change from 217 to 900
Calculation steps:
[( 900 - 217 ) ÷ 217] x 100 = 314.75%
Formula
Percentage change = [(900 - 217) / 217] x 100
Subtract the new number by the original number
900 - 217 = 683
683 ÷ 217 = 3.1474654377880182
3.1474654377880182 x 100 = 314.75%