-54.16% is the change from 421 to 193
Calculation steps:
[( 193 - 421 ) ÷ 421] x 100 = -54.16%
Formula
Percentage change = [(193 - 421) / 421] x 100
Subtract the new number by the original number
193 - 421 = -228
-228 ÷ 421 = -0.5415676959619953
-0.5415676959619953 x 100 = -54.16%