-75.78% is the change from 677 to 164
Calculation steps:
[( 164 - 677 ) ÷ 677] x 100 = -75.78%
Formula
Percentage change = [(164 - 677) / 677] x 100
Subtract the new number by the original number
164 - 677 = -513
-513 ÷ 677 = -0.757754800590842
-0.757754800590842 x 100 = -75.78%