-4.08% is the change from 956 to 917
Calculation steps:
[( 917 - 956 ) ÷ 956] x 100 = -4.08%
Formula
Percentage change = [(917 - 956) / 956] x 100
Subtract the new number by the original number
917 - 956 = -39
-39 ÷ 956 = -0.04079497907949791
-0.04079497907949791 x 100 = -4.08%