267.42% is the change from 221 to 812
Calculation steps:
[( 812 - 221 ) ÷ 221] x 100 = 267.42%
Formula
Percentage change = [(812 - 221) / 221] x 100
Subtract the new number by the original number
812 - 221 = 591
591 ÷ 221 = 2.67420814479638
2.67420814479638 x 100 = 267.42%