-78.61% is the change from 678 to 145
Calculation steps:
[( 145 - 678 ) ÷ 678] x 100 = -78.61%
Formula
Percentage change = [(145 - 678) / 678] x 100
Subtract the new number by the original number
145 - 678 = -533
-533 ÷ 678 = -0.7861356932153393
-0.7861356932153393 x 100 = -78.61%