-35.85% is the change from 915 to 587
Calculation steps:
[( 587 - 915 ) ÷ 915] x 100 = -35.85%
Formula
Percentage change = [(587 - 915) / 915] x 100
Subtract the new number by the original number
587 - 915 = -328
-328 ÷ 915 = -0.3584699453551913
-0.3584699453551913 x 100 = -35.85%