-37.9% is the change from 525 to 326
Calculation steps:
[( 326 - 525 ) ÷ 525] x 100 = -37.9%
Formula
Percentage change = [(326 - 525) / 525] x 100
Subtract the new number by the original number
326 - 525 = -199
-199 ÷ 525 = -0.379047619047619
-0.379047619047619 x 100 = -37.9%