-50.65% is the change from 918 to 453
Calculation steps:
[( 453 - 918 ) ÷ 918] x 100 = -50.65%
Formula
Percentage change = [(453 - 918) / 918] x 100
Subtract the new number by the original number
453 - 918 = -465
-465 ÷ 918 = -0.5065359477124183
-0.5065359477124183 x 100 = -50.65%