-62.64% is the change from 455 to 170
Calculation steps:
[( 170 - 455 ) ÷ 455] x 100 = -62.64%
Formula
Percentage change = [(170 - 455) / 455] x 100
Subtract the new number by the original number
170 - 455 = -285
-285 ÷ 455 = -0.6263736263736264
-0.6263736263736264 x 100 = -62.64%