-33.54% is the change from 978 to 650
Calculation steps:
[( 650 - 978 ) ÷ 978] x 100 = -33.54%
Formula
Percentage change = [(650 - 978) / 978] x 100
Subtract the new number by the original number
650 - 978 = -328
-328 ÷ 978 = -0.33537832310838445
-0.33537832310838445 x 100 = -33.54%