-51.03% is the change from 678 to 332
Calculation steps:
[( 332 - 678 ) ÷ 678] x 100 = -51.03%
Formula
Percentage change = [(332 - 678) / 678] x 100
Subtract the new number by the original number
332 - 678 = -346
-346 ÷ 678 = -0.5103244837758112
-0.5103244837758112 x 100 = -51.03%