-16% is the change from 975 to 819
Calculation steps:
[( 819 - 975 ) ÷ 975] x 100 = -16%
Formula
Percentage change = [(819 - 975) / 975] x 100
Subtract the new number by the original number
819 - 975 = -156
-156 ÷ 975 = -0.16
-0.16 x 100 = -16%
Example