-15.51% is the change from 967 to 817
Calculation steps:
[( 817 - 967 ) ÷ 967] x 100 = -15.51%
Formula
Percentage change = [(817 - 967) / 967] x 100
Subtract the new number by the original number
817 - 967 = -150
-150 ÷ 967 = -0.15511892450879008
-0.15511892450879008 x 100 = -15.51%