-35.1% is the change from 678 to 440
Calculation steps:
[( 440 - 678 ) ÷ 678] x 100 = -35.1%
Formula
Percentage change = [(440 - 678) / 678] x 100
Subtract the new number by the original number
440 - 678 = -238
-238 ÷ 678 = -0.35103244837758113
-0.35103244837758113 x 100 = -35.1%