-20.42% is the change from 612 to 487
Calculation steps:
[( 487 - 612 ) ÷ 612] x 100 = -20.42%
Formula
Percentage change = [(487 - 612) / 612] x 100
Subtract the new number by the original number
487 - 612 = -125
-125 ÷ 612 = -0.2042483660130719
-0.2042483660130719 x 100 = -20.42%