-55.45% is the change from 918 to 409
Calculation steps:
[( 409 - 918 ) ÷ 918] x 100 = -55.45%
Formula
Percentage change = [(409 - 918) / 918] x 100
Subtract the new number by the original number
409 - 918 = -509
-509 ÷ 918 = -0.5544662309368191
-0.5544662309368191 x 100 = -55.45%