-54.69% is the change from 927 to 420
Calculation steps:
[( 420 - 927 ) ÷ 927] x 100 = -54.69%
Formula
Percentage change = [(420 - 927) / 927] x 100
Subtract the new number by the original number
420 - 927 = -507
-507 ÷ 927 = -0.5469255663430421
-0.5469255663430421 x 100 = -54.69%