1233.33% is the change from 66 to 880
Calculation steps:
[( 880 - 66 ) ÷ 66] x 100 = 1233.33%
Formula
Percentage change = [(880 - 66) / 66] x 100
Subtract the new number by the original number
880 - 66 = 814
814 ÷ 66 = 12.333333333333334
12.333333333333334 x 100 = 1233.33%