-30.48% is the change from 210 to 146
Calculation steps:
[( 146 - 210 ) ÷ 210] x 100 = -30.48%
Formula
Percentage change = [(146 - 210) / 210] x 100
Subtract the new number by the original number
146 - 210 = -64
-64 ÷ 210 = -0.3047619047619048
-0.3047619047619048 x 100 = -30.48%