171.8% is the change from 266 to 723
Calculation steps:
[( 723 - 266 ) ÷ 266] x 100 = 171.8%
Formula
Percentage change = [(723 - 266) / 266] x 100
Subtract the new number by the original number
723 - 266 = 457
457 ÷ 266 = 1.718045112781955
1.718045112781955 x 100 = 171.8%