-85.67% is the change from 921 to 132
Calculation steps:
[( 132 - 921 ) ÷ 921] x 100 = -85.67%
Formula
Percentage change = [(132 - 921) / 921] x 100
Subtract the new number by the original number
132 - 921 = -789
-789 ÷ 921 = -0.8566775244299675
-0.8566775244299675 x 100 = -85.67%