-35.04% is the change from 839 to 545
Calculation steps:
[( 545 - 839 ) ÷ 839] x 100 = -35.04%
Formula
Percentage change = [(545 - 839) / 839] x 100
Subtract the new number by the original number
545 - 839 = -294
-294 ÷ 839 = -0.3504171632896305
-0.3504171632896305 x 100 = -35.04%