270.7% is the change from 215 to 797
Calculation steps:
[( 797 - 215 ) ÷ 215] x 100 = 270.7%
Formula
Percentage change = [(797 - 215) / 215] x 100
Subtract the new number by the original number
797 - 215 = 582
582 ÷ 215 = 2.7069767441860466
2.7069767441860466 x 100 = 270.7%