-48.21% is the change from 979 to 507
Calculation steps:
[( 507 - 979 ) ÷ 979] x 100 = -48.21%
Formula
Percentage change = [(507 - 979) / 979] x 100
Subtract the new number by the original number
507 - 979 = -472
-472 ÷ 979 = -0.4821246169560776
-0.4821246169560776 x 100 = -48.21%