273.68% is the change from 266 to 994
Calculation steps:
[( 994 - 266 ) ÷ 266] x 100 = 273.68%
Formula
Percentage change = [(994 - 266) / 266] x 100
Subtract the new number by the original number
994 - 266 = 728
728 ÷ 266 = 2.736842105263158
2.736842105263158 x 100 = 273.68%