-60.33% is the change from 421 to 167
Calculation steps:
[( 167 - 421 ) ÷ 421] x 100 = -60.33%
Formula
Percentage change = [(167 - 421) / 421] x 100
Subtract the new number by the original number
167 - 421 = -254
-254 ÷ 421 = -0.6033254156769596
-0.6033254156769596 x 100 = -60.33%