217.28% is the change from 243 to 771
Calculation steps:
[( 771 - 243 ) ÷ 243] x 100 = 217.28%
Formula
Percentage change = [(771 - 243) / 243] x 100
Subtract the new number by the original number
771 - 243 = 528
528 ÷ 243 = 2.1728395061728394
2.1728395061728394 x 100 = 217.28%