-83.94% is the change from 959 to 154
Calculation steps:
[( 154 - 959 ) ÷ 959] x 100 = -83.94%
Formula
Percentage change = [(154 - 959) / 959] x 100
Subtract the new number by the original number
154 - 959 = -805
-805 ÷ 959 = -0.8394160583941606
-0.8394160583941606 x 100 = -83.94%