-55.62% is the change from 917 to 407
Calculation steps:
[( 407 - 917 ) ÷ 917] x 100 = -55.62%
Formula
Percentage change = [(407 - 917) / 917] x 100
Subtract the new number by the original number
407 - 917 = -510
-510 ÷ 917 = -0.5561613958560524
-0.5561613958560524 x 100 = -55.62%