-80.5% is the change from 959 to 187
Calculation steps:
[( 187 - 959 ) ÷ 959] x 100 = -80.5%
Formula
Percentage change = [(187 - 959) / 959] x 100
Subtract the new number by the original number
187 - 959 = -772
-772 ÷ 959 = -0.8050052137643379
-0.8050052137643379 x 100 = -80.5%