-57.62% is the change from 656 to 278
Calculation steps:
[( 278 - 656 ) ÷ 656] x 100 = -57.62%
Formula
Percentage change = [(278 - 656) / 656] x 100
Subtract the new number by the original number
278 - 656 = -378
-378 ÷ 656 = -0.5762195121951219
-0.5762195121951219 x 100 = -57.62%