-75.18% is the change from 677 to 168
Calculation steps:
[( 168 - 677 ) ÷ 677] x 100 = -75.18%
Formula
Percentage change = [(168 - 677) / 677] x 100
Subtract the new number by the original number
168 - 677 = -509
-509 ÷ 677 = -0.7518463810930576
-0.7518463810930576 x 100 = -75.18%