291.63% is the change from 215 to 842
Calculation steps:
[( 842 - 215 ) ÷ 215] x 100 = 291.63%
Formula
Percentage change = [(842 - 215) / 215] x 100
Subtract the new number by the original number
842 - 215 = 627
627 ÷ 215 = 2.916279069767442
2.916279069767442 x 100 = 291.63%