-60.87% is the change from 869 to 340
Calculation steps:
[( 340 - 869 ) ÷ 869] x 100 = -60.87%
Formula
Percentage change = [(340 - 869) / 869] x 100
Subtract the new number by the original number
340 - 869 = -529
-529 ÷ 869 = -0.6087456846950517
-0.6087456846950517 x 100 = -60.87%