-88.11% is the change from 656 to 78
Calculation steps:
[( 78 - 656 ) ÷ 656] x 100 = -88.11%
Formula
Percentage change = [(78 - 656) / 656] x 100
Subtract the new number by the original number
78 - 656 = -578
-578 ÷ 656 = -0.8810975609756098
-0.8810975609756098 x 100 = -88.11%