-28.63% is the change from 929 to 663
Calculation steps:
[( 663 - 929 ) ÷ 929] x 100 = -28.63%
Formula
Percentage change = [(663 - 929) / 929] x 100
Subtract the new number by the original number
663 - 929 = -266
-266 ÷ 929 = -0.28632938643702904
-0.28632938643702904 x 100 = -28.63%