-64.21% is the change from 869 to 311
Calculation steps:
[( 311 - 869 ) ÷ 869] x 100 = -64.21%
Formula
Percentage change = [(311 - 869) / 869] x 100
Subtract the new number by the original number
311 - 869 = -558
-558 ÷ 869 = -0.6421173762945915
-0.6421173762945915 x 100 = -64.21%