-4.57% is the change from 897 to 856
Calculation steps:
[( 856 - 897 ) ÷ 897] x 100 = -4.57%
Formula
Percentage change = [(856 - 897) / 897] x 100
Subtract the new number by the original number
856 - 897 = -41
-41 ÷ 897 = -0.045707915273132664
-0.045707915273132664 x 100 = -4.57%