-45.3% is the change from 298 to 163
Calculation steps:
[( 163 - 298 ) ÷ 298] x 100 = -45.3%
Formula
Percentage change = [(163 - 298) / 298] x 100
Subtract the new number by the original number
163 - 298 = -135
-135 ÷ 298 = -0.45302013422818793
-0.45302013422818793 x 100 = -45.3%