-35.63% is the change from 654 to 421
Calculation steps:
[( 421 - 654 ) ÷ 654] x 100 = -35.63%
Formula
Percentage change = [(421 - 654) / 654] x 100
Subtract the new number by the original number
421 - 654 = -233
-233 ÷ 654 = -0.3562691131498471
-0.3562691131498471 x 100 = -35.63%