-63.42% is the change from 421 to 154
Calculation steps:
[( 154 - 421 ) ÷ 421] x 100 = -63.42%
Formula
Percentage change = [(154 - 421) / 421] x 100
Subtract the new number by the original number
154 - 421 = -267
-267 ÷ 421 = -0.6342042755344418
-0.6342042755344418 x 100 = -63.42%