-15.64% is the change from 978 to 825
Calculation steps:
[( 825 - 978 ) ÷ 978] x 100 = -15.64%
Formula
Percentage change = [(825 - 978) / 978] x 100
Subtract the new number by the original number
825 - 978 = -153
-153 ÷ 978 = -0.15644171779141106
-0.15644171779141106 x 100 = -15.64%