-73.15% is the change from 663 to 178
Calculation steps:
[( 178 - 663 ) ÷ 663] x 100 = -73.15%
Formula
Percentage change = [(178 - 663) / 663] x 100
Subtract the new number by the original number
178 - 663 = -485
-485 ÷ 663 = -0.7315233785822021
-0.7315233785822021 x 100 = -73.15%