-45.46% is the change from 915 to 499
Calculation steps:
[( 499 - 915 ) ÷ 915] x 100 = -45.46%
Formula
Percentage change = [(499 - 915) / 915] x 100
Subtract the new number by the original number
499 - 915 = -416
-416 ÷ 915 = -0.4546448087431694
-0.4546448087431694 x 100 = -45.46%