-64.58% is the change from 480 to 170
Calculation steps:
[( 170 - 480 ) ÷ 480] x 100 = -64.58%
Formula
Percentage change = [(170 - 480) / 480] x 100
Subtract the new number by the original number
170 - 480 = -310
-310 ÷ 480 = -0.6458333333333334
-0.6458333333333334 x 100 = -64.58%