-80.85% is the change from 987 to 189
Calculation steps:
[( 189 - 987 ) ÷ 987] x 100 = -80.85%
Formula
Percentage change = [(189 - 987) / 987] x 100
Subtract the new number by the original number
189 - 987 = -798
-798 ÷ 987 = -0.8085106382978723
-0.8085106382978723 x 100 = -80.85%