-84.29% is the change from 923 to 145
Calculation steps:
[( 145 - 923 ) ÷ 923] x 100 = -84.29%
Formula
Percentage change = [(145 - 923) / 923] x 100
Subtract the new number by the original number
145 - 923 = -778
-778 ÷ 923 = -0.8429035752979415
-0.8429035752979415 x 100 = -84.29%