-8.21% is the change from 987 to 906
Calculation steps:
[( 906 - 987 ) ÷ 987] x 100 = -8.21%
Formula
Percentage change = [(906 - 987) / 987] x 100
Subtract the new number by the original number
906 - 987 = -81
-81 ÷ 987 = -0.08206686930091185
-0.08206686930091185 x 100 = -8.21%