-53.92% is the change from 918 to 423
Calculation steps:
[( 423 - 918 ) ÷ 918] x 100 = -53.92%
Formula
Percentage change = [(423 - 918) / 918] x 100
Subtract the new number by the original number
423 - 918 = -495
-495 ÷ 918 = -0.5392156862745098
-0.5392156862745098 x 100 = -53.92%