-28.39% is the change from 923 to 661
Calculation steps:
[( 661 - 923 ) ÷ 923] x 100 = -28.39%
Formula
Percentage change = [(661 - 923) / 923] x 100
Subtract the new number by the original number
661 - 923 = -262
-262 ÷ 923 = -0.2838569880823402
-0.2838569880823402 x 100 = -28.39%