-84.69% is the change from 921 to 141
Calculation steps:
[( 141 - 921 ) ÷ 921] x 100 = -84.69%
Formula
Percentage change = [(141 - 921) / 921] x 100
Subtract the new number by the original number
141 - 921 = -780
-780 ÷ 921 = -0.8469055374592834
-0.8469055374592834 x 100 = -84.69%