-22.6% is the change from 407 to 315
Calculation steps:
[( 315 - 407 ) ÷ 407] x 100 = -22.6%
Formula
Percentage change = [(315 - 407) / 407] x 100
Subtract the new number by the original number
315 - 407 = -92
-92 ÷ 407 = -0.22604422604422605
-0.22604422604422605 x 100 = -22.6%