-87.4% is the change from 921 to 116
Calculation steps:
[( 116 - 921 ) ÷ 921] x 100 = -87.4%
Formula
Percentage change = [(116 - 921) / 921] x 100
Subtract the new number by the original number
116 - 921 = -805
-805 ÷ 921 = -0.8740499457111836
-0.8740499457111836 x 100 = -87.4%