-75.64% is the change from 665 to 162
Calculation steps:
[( 162 - 665 ) ÷ 665] x 100 = -75.64%
Formula
Percentage change = [(162 - 665) / 665] x 100
Subtract the new number by the original number
162 - 665 = -503
-503 ÷ 665 = -0.7563909774436091
-0.7563909774436091 x 100 = -75.64%