-86.51% is the change from 734 to 99
Calculation steps:
[( 99 - 734 ) ÷ 734] x 100 = -86.51%
Formula
Percentage change = [(99 - 734) / 734] x 100
Subtract the new number by the original number
99 - 734 = -635
-635 ÷ 734 = -0.8651226158038147
-0.8651226158038147 x 100 = -86.51%