-34.64% is the change from 915 to 598
Calculation steps:
[( 598 - 915 ) ÷ 915] x 100 = -34.64%
Formula
Percentage change = [(598 - 915) / 915] x 100
Subtract the new number by the original number
598 - 915 = -317
-317 ÷ 915 = -0.346448087431694
-0.346448087431694 x 100 = -34.64%