1269.7% is the change from 66 to 904
Calculation steps:
[( 904 - 66 ) ÷ 66] x 100 = 1269.7%
Formula
Percentage change = [(904 - 66) / 66] x 100
Subtract the new number by the original number
904 - 66 = 838
838 ÷ 66 = 12.696969696969697
12.696969696969697 x 100 = 1269.7%