-38.97% is the change from 526 to 321
Calculation steps:
[( 321 - 526 ) ÷ 526] x 100 = -38.97%
Formula
Percentage change = [(321 - 526) / 526] x 100
Subtract the new number by the original number
321 - 526 = -205
-205 ÷ 526 = -0.3897338403041825
-0.3897338403041825 x 100 = -38.97%