-13.61% is the change from 948 to 819
Calculation steps:
[( 819 - 948 ) ÷ 948] x 100 = -13.61%
Formula
Percentage change = [(819 - 948) / 948] x 100
Subtract the new number by the original number
819 - 948 = -129
-129 ÷ 948 = -0.1360759493670886
-0.1360759493670886 x 100 = -13.61%