-65.32% is the change from 421 to 146
Calculation steps:
[( 146 - 421 ) ÷ 421] x 100 = -65.32%
Formula
Percentage change = [(146 - 421) / 421] x 100
Subtract the new number by the original number
146 - 421 = -275
-275 ÷ 421 = -0.6532066508313539
-0.6532066508313539 x 100 = -65.32%