-75.22% is the change from 678 to 168
Calculation steps:
[( 168 - 678 ) ÷ 678] x 100 = -75.22%
Formula
Percentage change = [(168 - 678) / 678] x 100
Subtract the new number by the original number
168 - 678 = -510
-510 ÷ 678 = -0.7522123893805309
-0.7522123893805309 x 100 = -75.22%