-98.26% is the change from 978 to 17
Calculation steps:
[( 17 - 978 ) ÷ 978] x 100 = -98.26%
Formula
Percentage change = [(17 - 978) / 978] x 100
Subtract the new number by the original number
17 - 978 = -961
-961 ÷ 978 = -0.9826175869120655
-0.9826175869120655 x 100 = -98.26%