-34.95% is the change from 455 to 296
Calculation steps:
[( 296 - 455 ) ÷ 455] x 100 = -34.95%
Formula
Percentage change = [(296 - 455) / 455] x 100
Subtract the new number by the original number
296 - 455 = -159
-159 ÷ 455 = -0.34945054945054943
-0.34945054945054943 x 100 = -34.95%