-35.78% is the change from 654 to 420
Calculation steps:
[( 420 - 654 ) ÷ 654] x 100 = -35.78%
Formula
Percentage change = [(420 - 654) / 654] x 100
Subtract the new number by the original number
420 - 654 = -234
-234 ÷ 654 = -0.3577981651376147
-0.3577981651376147 x 100 = -35.78%