3577.78% is the change from 27 to 993
Calculation steps:
[( 993 - 27 ) ÷ 27] x 100 = 3577.78%
Formula
Percentage change = [(993 - 27) / 27] x 100
Subtract the new number by the original number
993 - 27 = 966
966 ÷ 27 = 35.77777777777778
35.77777777777778 x 100 = 3577.78%