291.16% is the change from 215 to 841
Calculation steps:
[( 841 - 215 ) ÷ 215] x 100 = 291.16%
Formula
Percentage change = [(841 - 215) / 215] x 100
Subtract the new number by the original number
841 - 215 = 626
626 ÷ 215 = 2.911627906976744
2.911627906976744 x 100 = 291.16%