1396.97% is the change from 66 to 988
Calculation steps:
[( 988 - 66 ) ÷ 66] x 100 = 1396.97%
Formula
Percentage change = [(988 - 66) / 66] x 100
Subtract the new number by the original number
988 - 66 = 922
922 ÷ 66 = 13.969696969696969
13.969696969696969 x 100 = 1396.97%