-62.98% is the change from 678 to 251
Calculation steps:
[( 251 - 678 ) ÷ 678] x 100 = -62.98%
Formula
Percentage change = [(251 - 678) / 678] x 100
Subtract the new number by the original number
251 - 678 = -427
-427 ÷ 678 = -0.6297935103244838
-0.6297935103244838 x 100 = -62.98%