-64.37% is the change from 915 to 326
Calculation steps:
[( 326 - 915 ) ÷ 915] x 100 = -64.37%
Formula
Percentage change = [(326 - 915) / 915] x 100
Subtract the new number by the original number
326 - 915 = -589
-589 ÷ 915 = -0.6437158469945355
-0.6437158469945355 x 100 = -64.37%