-2.57% is the change from 933 to 909
Calculation steps:
[( 909 - 933 ) ÷ 933] x 100 = -2.57%
Formula
Percentage change = [(909 - 933) / 933] x 100
Subtract the new number by the original number
909 - 933 = -24
-24 ÷ 933 = -0.02572347266881029
-0.02572347266881029 x 100 = -2.57%