-63.7% is the change from 978 to 355
Calculation steps:
[( 355 - 978 ) ÷ 978] x 100 = -63.7%
Formula
Percentage change = [(355 - 978) / 978] x 100
Subtract the new number by the original number
355 - 978 = -623
-623 ÷ 978 = -0.6370143149284253
-0.6370143149284253 x 100 = -63.7%