-45.79% is the change from 915 to 496
Calculation steps:
[( 496 - 915 ) ÷ 915] x 100 = -45.79%
Formula
Percentage change = [(496 - 915) / 915] x 100
Subtract the new number by the original number
496 - 915 = -419
-419 ÷ 915 = -0.45792349726775955
-0.45792349726775955 x 100 = -45.79%