-74.85% is the change from 648 to 163
Calculation steps:
[( 163 - 648 ) ÷ 648] x 100 = -74.85%
Formula
Percentage change = [(163 - 648) / 648] x 100
Subtract the new number by the original number
163 - 648 = -485
-485 ÷ 648 = -0.7484567901234568
-0.7484567901234568 x 100 = -74.85%