-90.98% is the change from 987 to 89
Calculation steps:
[( 89 - 987 ) ÷ 987] x 100 = -90.98%
Formula
Percentage change = [(89 - 987) / 987] x 100
Subtract the new number by the original number
89 - 987 = -898
-898 ÷ 987 = -0.9098277608915907
-0.9098277608915907 x 100 = -90.98%