-21.98% is the change from 978 to 763
Calculation steps:
[( 763 - 978 ) ÷ 978] x 100 = -21.98%
Formula
Percentage change = [(763 - 978) / 978] x 100
Subtract the new number by the original number
763 - 978 = -215
-215 ÷ 978 = -0.2198364008179959
-0.2198364008179959 x 100 = -21.98%