-68.95% is the change from 921 to 286
Calculation steps:
[( 286 - 921 ) ÷ 921] x 100 = -68.95%
Formula
Percentage change = [(286 - 921) / 921] x 100
Subtract the new number by the original number
286 - 921 = -635
-635 ÷ 921 = -0.6894679695982627
-0.6894679695982627 x 100 = -68.95%