296.33% is the change from 218 to 864
Calculation steps:
[( 864 - 218 ) ÷ 218] x 100 = 296.33%
Formula
Percentage change = [(864 - 218) / 218] x 100
Subtract the new number by the original number
864 - 218 = 646
646 ÷ 218 = 2.963302752293578
2.963302752293578 x 100 = 296.33%