-74.17% is the change from 635 to 164
Calculation steps:
[( 164 - 635 ) ÷ 635] x 100 = -74.17%
Formula
Percentage change = [(164 - 635) / 635] x 100
Subtract the new number by the original number
164 - 635 = -471
-471 ÷ 635 = -0.7417322834645669
-0.7417322834645669 x 100 = -74.17%