-73% is the change from 600 to 162
Calculation steps:
[( 162 - 600 ) ÷ 600] x 100 = -73%
Formula
Percentage change = [(162 - 600) / 600] x 100
Subtract the new number by the original number
162 - 600 = -438
-438 ÷ 600 = -0.73
-0.73 x 100 = -73%
Example