-31.47% is the change from 928 to 636
Calculation steps:
[( 636 - 928 ) ÷ 928] x 100 = -31.47%
Formula
Percentage change = [(636 - 928) / 928] x 100
Subtract the new number by the original number
636 - 928 = -292
-292 ÷ 928 = -0.3146551724137931
-0.3146551724137931 x 100 = -31.47%