-7.29% is the change from 905 to 839
Calculation steps:
[( 839 - 905 ) ÷ 905] x 100 = -7.29%
Formula
Percentage change = [(839 - 905) / 905] x 100
Subtract the new number by the original number
839 - 905 = -66
-66 ÷ 905 = -0.07292817679558011
-0.07292817679558011 x 100 = -7.29%