-50.92% is the change from 927 to 455
Calculation steps:
[( 455 - 927 ) ÷ 927] x 100 = -50.92%
Formula
Percentage change = [(455 - 927) / 927] x 100
Subtract the new number by the original number
455 - 927 = -472
-472 ÷ 927 = -0.5091693635382956
-0.5091693635382956 x 100 = -50.92%