262.5% is the change from 224 to 812
Calculation steps:
[( 812 - 224 ) ÷ 224] x 100 = 262.5%
Formula
Percentage change = [(812 - 224) / 224] x 100
Subtract the new number by the original number
812 - 224 = 588
588 ÷ 224 = 2.625
2.625 x 100 = 262.5%
Example