-60.98% is the change from 879 to 343
Calculation steps:
[( 343 - 879 ) ÷ 879] x 100 = -60.98%
Formula
Percentage change = [(343 - 879) / 879] x 100
Subtract the new number by the original number
343 - 879 = -536
-536 ÷ 879 = -0.6097838452787259
-0.6097838452787259 x 100 = -60.98%