-17.83% is the change from 959 to 788
Calculation steps:
[( 788 - 959 ) ÷ 959] x 100 = -17.83%
Formula
Percentage change = [(788 - 959) / 959] x 100
Subtract the new number by the original number
788 - 959 = -171
-171 ÷ 959 = -0.17831074035453598
-0.17831074035453598 x 100 = -17.83%