-8.3% is the change from 578 to 530
Calculation steps:
[( 530 - 578 ) ÷ 578] x 100 = -8.3%
Formula
Percentage change = [(530 - 578) / 578] x 100
Subtract the new number by the original number
530 - 578 = -48
-48 ÷ 578 = -0.08304498269896193
-0.08304498269896193 x 100 = -8.3%