-65.33% is the change from 897 to 311
Calculation steps:
[( 311 - 897 ) ÷ 897] x 100 = -65.33%
Formula
Percentage change = [(311 - 897) / 897] x 100
Subtract the new number by the original number
311 - 897 = -586
-586 ÷ 897 = -0.653288740245262
-0.653288740245262 x 100 = -65.33%