-4.34% is the change from 991 to 948
Calculation steps:
[( 948 - 991 ) ÷ 991] x 100 = -4.34%
Formula
Percentage change = [(948 - 991) / 991] x 100
Subtract the new number by the original number
948 - 991 = -43
-43 ÷ 991 = -0.04339051463168517
-0.04339051463168517 x 100 = -4.34%