-84.66% is the change from 678 to 104
Calculation steps:
[( 104 - 678 ) ÷ 678] x 100 = -84.66%
Formula
Percentage change = [(104 - 678) / 678] x 100
Subtract the new number by the original number
104 - 678 = -574
-574 ÷ 678 = -0.8466076696165191
-0.8466076696165191 x 100 = -84.66%