-22.06% is the change from 612 to 477
Calculation steps:
[( 477 - 612 ) ÷ 612] x 100 = -22.06%
Formula
Percentage change = [(477 - 612) / 612] x 100
Subtract the new number by the original number
477 - 612 = -135
-135 ÷ 612 = -0.22058823529411764
-0.22058823529411764 x 100 = -22.06%