-75.75% is the change from 668 to 162
Calculation steps:
[( 162 - 668 ) ÷ 668] x 100 = -75.75%
Formula
Percentage change = [(162 - 668) / 668] x 100
Subtract the new number by the original number
162 - 668 = -506
-506 ÷ 668 = -0.7574850299401198
-0.7574850299401198 x 100 = -75.75%