268.42% is the change from 266 to 980
Calculation steps:
[( 980 - 266 ) ÷ 266] x 100 = 268.42%
Formula
Percentage change = [(980 - 266) / 266] x 100
Subtract the new number by the original number
980 - 266 = 714
714 ÷ 266 = 2.6842105263157894
2.6842105263157894 x 100 = 268.42%