-5.21% is the change from 959 to 909
Calculation steps:
[( 909 - 959 ) ÷ 959] x 100 = -5.21%
Formula
Percentage change = [(909 - 959) / 959] x 100
Subtract the new number by the original number
909 - 959 = -50
-50 ÷ 959 = -0.05213764337851929
-0.05213764337851929 x 100 = -5.21%