-45.57% is the change from 915 to 498
Calculation steps:
[( 498 - 915 ) ÷ 915] x 100 = -45.57%
Formula
Percentage change = [(498 - 915) / 915] x 100
Subtract the new number by the original number
498 - 915 = -417
-417 ÷ 915 = -0.4557377049180328
-0.4557377049180328 x 100 = -45.57%