-75.38% is the change from 662 to 163
Calculation steps:
[( 163 - 662 ) ÷ 662] x 100 = -75.38%
Formula
Percentage change = [(163 - 662) / 662] x 100
Subtract the new number by the original number
163 - 662 = -499
-499 ÷ 662 = -0.7537764350453172
-0.7537764350453172 x 100 = -75.38%