274.19% is the change from 217 to 812
Calculation steps:
[( 812 - 217 ) ÷ 217] x 100 = 274.19%
Formula
Percentage change = [(812 - 217) / 217] x 100
Subtract the new number by the original number
812 - 217 = 595
595 ÷ 217 = 2.7419354838709675
2.7419354838709675 x 100 = 274.19%