313.64% is the change from 220 to 910
Calculation steps:
[( 910 - 220 ) ÷ 220] x 100 = 313.64%
Formula
Percentage change = [(910 - 220) / 220] x 100
Subtract the new number by the original number
910 - 220 = 690
690 ÷ 220 = 3.1363636363636362
3.1363636363636362 x 100 = 313.64%