-12.28% is the change from 578 to 507
Calculation steps:
[( 507 - 578 ) ÷ 578] x 100 = -12.28%
Formula
Percentage change = [(507 - 578) / 578] x 100
Subtract the new number by the original number
507 - 578 = -71
-71 ÷ 578 = -0.12283737024221453
-0.12283737024221453 x 100 = -12.28%