-32.92% is the change from 978 to 656
Calculation steps:
[( 656 - 978 ) ÷ 978] x 100 = -32.92%
Formula
Percentage change = [(656 - 978) / 978] x 100
Subtract the new number by the original number
656 - 978 = -322
-322 ÷ 978 = -0.3292433537832311
-0.3292433537832311 x 100 = -32.92%