-13.95% is the change from 975 to 839
Calculation steps:
[( 839 - 975 ) ÷ 975] x 100 = -13.95%
Formula
Percentage change = [(839 - 975) / 975] x 100
Subtract the new number by the original number
839 - 975 = -136
-136 ÷ 975 = -0.13948717948717948
-0.13948717948717948 x 100 = -13.95%