-78.17% is the change from 678 to 148
Calculation steps:
[( 148 - 678 ) ÷ 678] x 100 = -78.17%
Formula
Percentage change = [(148 - 678) / 678] x 100
Subtract the new number by the original number
148 - 678 = -530
-530 ÷ 678 = -0.7817109144542773
-0.7817109144542773 x 100 = -78.17%