-49.85% is the change from 335 to 168
Calculation steps:
[( 168 - 335 ) ÷ 335] x 100 = -49.85%
Formula
Percentage change = [(168 - 335) / 335] x 100
Subtract the new number by the original number
168 - 335 = -167
-167 ÷ 335 = -0.49850746268656715
-0.49850746268656715 x 100 = -49.85%