-11.5% is the change from 948 to 839
Calculation steps:
[( 839 - 948 ) ÷ 948] x 100 = -11.5%
Formula
Percentage change = [(839 - 948) / 948] x 100
Subtract the new number by the original number
839 - 948 = -109
-109 ÷ 948 = -0.1149789029535865
-0.1149789029535865 x 100 = -11.5%