-45.31% is the change from 927 to 507
Calculation steps:
[( 507 - 927 ) ÷ 927] x 100 = -45.31%
Formula
Percentage change = [(507 - 927) / 927] x 100
Subtract the new number by the original number
507 - 927 = -420
-420 ÷ 927 = -0.45307443365695793
-0.45307443365695793 x 100 = -45.31%