240.94% is the change from 254 to 866
Calculation steps:
[( 866 - 254 ) ÷ 254] x 100 = 240.94%
Formula
Percentage change = [(866 - 254) / 254] x 100
Subtract the new number by the original number
866 - 254 = 612
612 ÷ 254 = 2.409448818897638
2.409448818897638 x 100 = 240.94%