-66.94% is the change from 493 to 163
Calculation steps:
[( 163 - 493 ) ÷ 493] x 100 = -66.94%
Formula
Percentage change = [(163 - 493) / 493] x 100
Subtract the new number by the original number
163 - 493 = -330
-330 ÷ 493 = -0.6693711967545639
-0.6693711967545639 x 100 = -66.94%