-22.17% is the change from 415 to 323
Calculation steps:
[( 323 - 415 ) ÷ 415] x 100 = -22.17%
Formula
Percentage change = [(323 - 415) / 415] x 100
Subtract the new number by the original number
323 - 415 = -92
-92 ÷ 415 = -0.2216867469879518
-0.2216867469879518 x 100 = -22.17%