230.08% is the change from 266 to 878
Calculation steps:
[( 878 - 266 ) ÷ 266] x 100 = 230.08%
Formula
Percentage change = [(878 - 266) / 266] x 100
Subtract the new number by the original number
878 - 266 = 612
612 ÷ 266 = 2.300751879699248
2.300751879699248 x 100 = 230.08%