-89.36% is the change from 959 to 102
Calculation steps:
[( 102 - 959 ) ÷ 959] x 100 = -89.36%
Formula
Percentage change = [(102 - 959) / 959] x 100
Subtract the new number by the original number
102 - 959 = -857
-857 ÷ 959 = -0.8936392075078207
-0.8936392075078207 x 100 = -89.36%