243.75% is the change from 224 to 770
Calculation steps:
[( 770 - 224 ) ÷ 224] x 100 = 243.75%
Formula
Percentage change = [(770 - 224) / 224] x 100
Subtract the new number by the original number
770 - 224 = 546
546 ÷ 224 = 2.4375
2.4375 x 100 = 243.75%