301.4% is the change from 215 to 863
Calculation steps:
[( 863 - 215 ) ÷ 215] x 100 = 301.4%
Formula
Percentage change = [(863 - 215) / 215] x 100
Subtract the new number by the original number
863 - 215 = 648
648 ÷ 215 = 3.013953488372093
3.013953488372093 x 100 = 301.4%