-62.42% is the change from 455 to 171
Calculation steps:
[( 171 - 455 ) ÷ 455] x 100 = -62.42%
Formula
Percentage change = [(171 - 455) / 455] x 100
Subtract the new number by the original number
171 - 455 = -284
-284 ÷ 455 = -0.6241758241758242
-0.6241758241758242 x 100 = -62.42%