-32.06% is the change from 839 to 570
Calculation steps:
[( 570 - 839 ) ÷ 839] x 100 = -32.06%
Formula
Percentage change = [(570 - 839) / 839] x 100
Subtract the new number by the original number
570 - 839 = -269
-269 ÷ 839 = -0.3206197854588796
-0.3206197854588796 x 100 = -32.06%