-80.27% is the change from 978 to 193
Calculation steps:
[( 193 - 978 ) ÷ 978] x 100 = -80.27%
Formula
Percentage change = [(193 - 978) / 978] x 100
Subtract the new number by the original number
193 - 978 = -785
-785 ÷ 978 = -0.8026584867075665
-0.8026584867075665 x 100 = -80.27%