-6.27% is the change from 909 to 852
Calculation steps:
[( 852 - 909 ) ÷ 909] x 100 = -6.27%
Formula
Percentage change = [(852 - 909) / 909] x 100
Subtract the new number by the original number
852 - 909 = -57
-57 ÷ 909 = -0.0627062706270627
-0.0627062706270627 x 100 = -6.27%