-5.07% is the change from 966 to 917
Calculation steps:
[( 917 - 966 ) ÷ 966] x 100 = -5.07%
Formula
Percentage change = [(917 - 966) / 966] x 100
Subtract the new number by the original number
917 - 966 = -49
-49 ÷ 966 = -0.050724637681159424
-0.050724637681159424 x 100 = -5.07%