-13.66% is the change from 959 to 828
Calculation steps:
[( 828 - 959 ) ÷ 959] x 100 = -13.66%
Formula
Percentage change = [(828 - 959) / 959] x 100
Subtract the new number by the original number
828 - 959 = -131
-131 ÷ 959 = -0.13660062565172054
-0.13660062565172054 x 100 = -13.66%