-21.24% is the change from 612 to 482
Calculation steps:
[( 482 - 612 ) ÷ 612] x 100 = -21.24%
Formula
Percentage change = [(482 - 612) / 612] x 100
Subtract the new number by the original number
482 - 612 = -130
-130 ÷ 612 = -0.21241830065359477
-0.21241830065359477 x 100 = -21.24%