-74.84% is the change from 644 to 162
Calculation steps:
[( 162 - 644 ) ÷ 644] x 100 = -74.84%
Formula
Percentage change = [(162 - 644) / 644] x 100
Subtract the new number by the original number
162 - 644 = -482
-482 ÷ 644 = -0.7484472049689441
-0.7484472049689441 x 100 = -74.84%