-37.31% is the change from 839 to 526
Calculation steps:
[( 526 - 839 ) ÷ 839] x 100 = -37.31%
Formula
Percentage change = [(526 - 839) / 839] x 100
Subtract the new number by the original number
526 - 839 = -313
-313 ÷ 839 = -0.3730631704410012
-0.3730631704410012 x 100 = -37.31%