-18.39% is the change from 794 to 648
Calculation steps:
[( 648 - 794 ) ÷ 794] x 100 = -18.39%
Formula
Percentage change = [(648 - 794) / 794] x 100
Subtract the new number by the original number
648 - 794 = -146
-146 ÷ 794 = -0.18387909319899245
-0.18387909319899245 x 100 = -18.39%