242.6% is the change from 223 to 764
Calculation steps:
[( 764 - 223 ) ÷ 223] x 100 = 242.6%
Formula
Percentage change = [(764 - 223) / 223] x 100
Subtract the new number by the original number
764 - 223 = 541
541 ÷ 223 = 2.4260089686098656
2.4260089686098656 x 100 = 242.6%