-29.79% is the change from 678 to 476
Calculation steps:
[( 476 - 678 ) ÷ 678] x 100 = -29.79%
Formula
Percentage change = [(476 - 678) / 678] x 100
Subtract the new number by the original number
476 - 678 = -202
-202 ÷ 678 = -0.29793510324483774
-0.29793510324483774 x 100 = -29.79%