1186.36% is the change from 66 to 849
Calculation steps:
[( 849 - 66 ) ÷ 66] x 100 = 1186.36%
Formula
Percentage change = [(849 - 66) / 66] x 100
Subtract the new number by the original number
849 - 66 = 783
783 ÷ 66 = 11.863636363636363
11.863636363636363 x 100 = 1186.36%