234.98% is the change from 243 to 814
Calculation steps:
[( 814 - 243 ) ÷ 243] x 100 = 234.98%
Formula
Percentage change = [(814 - 243) / 243] x 100
Subtract the new number by the original number
814 - 243 = 571
571 ÷ 243 = 2.3497942386831276
2.3497942386831276 x 100 = 234.98%