-86.32% is the change from 921 to 126
Calculation steps:
[( 126 - 921 ) ÷ 921] x 100 = -86.32%
Formula
Percentage change = [(126 - 921) / 921] x 100
Subtract the new number by the original number
126 - 921 = -795
-795 ÷ 921 = -0.8631921824104235
-0.8631921824104235 x 100 = -86.32%