-51.23% is the change from 162 to 79
Calculation steps:
[( 79 - 162 ) ÷ 162] x 100 = -51.23%
Formula
Percentage change = [(79 - 162) / 162] x 100
Subtract the new number by the original number
79 - 162 = -83
-83 ÷ 162 = -0.5123456790123457
-0.5123456790123457 x 100 = -51.23%