-78.26% is the change from 989 to 215
Calculation steps:
[( 215 - 989 ) ÷ 989] x 100 = -78.26%
Formula
Percentage change = [(215 - 989) / 989] x 100
Subtract the new number by the original number
215 - 989 = -774
-774 ÷ 989 = -0.782608695652174
-0.782608695652174 x 100 = -78.26%