-50.49% is the change from 915 to 453
Calculation steps:
[( 453 - 915 ) ÷ 915] x 100 = -50.49%
Formula
Percentage change = [(453 - 915) / 915] x 100
Subtract the new number by the original number
453 - 915 = -462
-462 ÷ 915 = -0.5049180327868853
-0.5049180327868853 x 100 = -50.49%