-5.24% is the change from 897 to 850
Calculation steps:
[( 850 - 897 ) ÷ 897] x 100 = -5.24%
Formula
Percentage change = [(850 - 897) / 897] x 100
Subtract the new number by the original number
850 - 897 = -47
-47 ÷ 897 = -0.05239687848383501
-0.05239687848383501 x 100 = -5.24%