-60.3% is the change from 869 to 345
Calculation steps:
[( 345 - 869 ) ÷ 869] x 100 = -60.3%
Formula
Percentage change = [(345 - 869) / 869] x 100
Subtract the new number by the original number
345 - 869 = -524
-524 ÷ 869 = -0.6029919447640967
-0.6029919447640967 x 100 = -60.3%