-27.04% is the change from 869 to 634
Calculation steps:
[( 634 - 869 ) ÷ 869] x 100 = -27.04%
Formula
Percentage change = [(634 - 869) / 869] x 100
Subtract the new number by the original number
634 - 869 = -235
-235 ÷ 869 = -0.27042577675489066
-0.27042577675489066 x 100 = -27.04%