-18% is the change from 978 to 802
Calculation steps:
[( 802 - 978 ) ÷ 978] x 100 = -18%
Formula
Percentage change = [(802 - 978) / 978] x 100
Subtract the new number by the original number
802 - 978 = -176
-176 ÷ 978 = -0.17995910020449898
-0.17995910020449898 x 100 = -18%