-64.79% is the change from 869 to 306
Calculation steps:
[( 306 - 869 ) ÷ 869] x 100 = -64.79%
Formula
Percentage change = [(306 - 869) / 869] x 100
Subtract the new number by the original number
306 - 869 = -563
-563 ÷ 869 = -0.6478711162255466
-0.6478711162255466 x 100 = -64.79%