-91.76% is the change from 959 to 79
Calculation steps:
[( 79 - 959 ) ÷ 959] x 100 = -91.76%
Formula
Percentage change = [(79 - 959) / 959] x 100
Subtract the new number by the original number
79 - 959 = -880
-880 ÷ 959 = -0.9176225234619395
-0.9176225234619395 x 100 = -91.76%