305.53% is the change from 217 to 880
Calculation steps:
[( 880 - 217 ) ÷ 217] x 100 = 305.53%
Formula
Percentage change = [(880 - 217) / 217] x 100
Subtract the new number by the original number
880 - 217 = 663
663 ÷ 217 = 3.055299539170507
3.055299539170507 x 100 = 305.53%