240.6% is the change from 266 to 906
Calculation steps:
[( 906 - 266 ) ÷ 266] x 100 = 240.6%
Formula
Percentage change = [(906 - 266) / 266] x 100
Subtract the new number by the original number
906 - 266 = 640
640 ÷ 266 = 2.406015037593985
2.406015037593985 x 100 = 240.6%