-3.05% is the change from 492 to 477
Calculation steps:
[( 477 - 492 ) ÷ 492] x 100 = -3.05%
Formula
Percentage change = [(477 - 492) / 492] x 100
Subtract the new number by the original number
477 - 492 = -15
-15 ÷ 492 = -0.03048780487804878
-0.03048780487804878 x 100 = -3.05%