215.23% is the change from 243 to 766
Calculation steps:
[( 766 - 243 ) ÷ 243] x 100 = 215.23%
Formula
Percentage change = [(766 - 243) / 243] x 100
Subtract the new number by the original number
766 - 243 = 523
523 ÷ 243 = 2.152263374485597
2.152263374485597 x 100 = 215.23%