1170.51% is the change from 78 to 991
Calculation steps:
[( 991 - 78 ) ÷ 78] x 100 = 1170.51%
Formula
Percentage change = [(991 - 78) / 78] x 100
Subtract the new number by the original number
991 - 78 = 913
913 ÷ 78 = 11.705128205128204
11.705128205128204 x 100 = 1170.51%