216.92% is the change from 266 to 843
Calculation steps:
[( 843 - 266 ) ÷ 266] x 100 = 216.92%
Formula
Percentage change = [(843 - 266) / 266] x 100
Subtract the new number by the original number
843 - 266 = 577
577 ÷ 266 = 2.169172932330827
2.169172932330827 x 100 = 216.92%