-38.26% is the change from 528 to 326
Calculation steps:
[( 326 - 528 ) ÷ 528] x 100 = -38.26%
Formula
Percentage change = [(326 - 528) / 528] x 100
Subtract the new number by the original number
326 - 528 = -202
-202 ÷ 528 = -0.38257575757575757
-0.38257575757575757 x 100 = -38.26%