-72.12% is the change from 678 to 189
Calculation steps:
[( 189 - 678 ) ÷ 678] x 100 = -72.12%
Formula
Percentage change = [(189 - 678) / 678] x 100
Subtract the new number by the original number
189 - 678 = -489
-489 ÷ 678 = -0.7212389380530974
-0.7212389380530974 x 100 = -72.12%