-47.43% is the change from 915 to 481
Calculation steps:
[( 481 - 915 ) ÷ 915] x 100 = -47.43%
Formula
Percentage change = [(481 - 915) / 915] x 100
Subtract the new number by the original number
481 - 915 = -434
-434 ÷ 915 = -0.4743169398907104
-0.4743169398907104 x 100 = -47.43%