-39.35% is the change from 526 to 319
Calculation steps:
[( 319 - 526 ) ÷ 526] x 100 = -39.35%
Formula
Percentage change = [(319 - 526) / 526] x 100
Subtract the new number by the original number
319 - 526 = -207
-207 ÷ 526 = -0.3935361216730038
-0.3935361216730038 x 100 = -39.35%