1195.45% is the change from 66 to 855
Calculation steps:
[( 855 - 66 ) ÷ 66] x 100 = 1195.45%
Formula
Percentage change = [(855 - 66) / 66] x 100
Subtract the new number by the original number
855 - 66 = 789
789 ÷ 66 = 11.954545454545455
11.954545454545455 x 100 = 1195.45%