291.4% is the change from 221 to 865
Calculation steps:
[( 865 - 221 ) ÷ 221] x 100 = 291.4%
Formula
Percentage change = [(865 - 221) / 221] x 100
Subtract the new number by the original number
865 - 221 = 644
644 ÷ 221 = 2.914027149321267
2.914027149321267 x 100 = 291.4%