-75.12% is the change from 643 to 160
Calculation steps:
[( 160 - 643 ) ÷ 643] x 100 = -75.12%
Formula
Percentage change = [(160 - 643) / 643] x 100
Subtract the new number by the original number
160 - 643 = -483
-483 ÷ 643 = -0.7511664074650077
-0.7511664074650077 x 100 = -75.12%