-85.88% is the change from 921 to 130
Calculation steps:
[( 130 - 921 ) ÷ 921] x 100 = -85.88%
Formula
Percentage change = [(130 - 921) / 921] x 100
Subtract the new number by the original number
130 - 921 = -791
-791 ÷ 921 = -0.8588490770901195
-0.8588490770901195 x 100 = -85.88%