-87.67% is the change from 933 to 115
Calculation steps:
[( 115 - 933 ) ÷ 933] x 100 = -87.67%
Formula
Percentage change = [(115 - 933) / 933] x 100
Subtract the new number by the original number
115 - 933 = -818
-818 ÷ 933 = -0.8767416934619507
-0.8767416934619507 x 100 = -87.67%