-73.45% is the change from 663 to 176
Calculation steps:
[( 176 - 663 ) ÷ 663] x 100 = -73.45%
Formula
Percentage change = [(176 - 663) / 663] x 100
Subtract the new number by the original number
176 - 663 = -487
-487 ÷ 663 = -0.7345399698340875
-0.7345399698340875 x 100 = -73.45%