-83.86% is the change from 923 to 149
Calculation steps:
[( 149 - 923 ) ÷ 923] x 100 = -83.86%
Formula
Percentage change = [(149 - 923) / 923] x 100
Subtract the new number by the original number
149 - 923 = -774
-774 ÷ 923 = -0.838569880823402
-0.838569880823402 x 100 = -83.86%