1390.91% is the change from 66 to 984
Calculation steps:
[( 984 - 66 ) ÷ 66] x 100 = 1390.91%
Formula
Percentage change = [(984 - 66) / 66] x 100
Subtract the new number by the original number
984 - 66 = 918
918 ÷ 66 = 13.909090909090908
13.909090909090908 x 100 = 1390.91%