-42.2% is the change from 455 to 263
Calculation steps:
[( 263 - 455 ) ÷ 455] x 100 = -42.2%
Formula
Percentage change = [(263 - 455) / 455] x 100
Subtract the new number by the original number
263 - 455 = -192
-192 ÷ 455 = -0.421978021978022
-0.421978021978022 x 100 = -42.2%