-55.11% is the change from 421 to 189
Calculation steps:
[( 189 - 421 ) ÷ 421] x 100 = -55.11%
Formula
Percentage change = [(189 - 421) / 421] x 100
Subtract the new number by the original number
189 - 421 = -232
-232 ÷ 421 = -0.5510688836104513
-0.5510688836104513 x 100 = -55.11%