-17.47% is the change from 475 to 392
Calculation steps:
[( 392 - 475 ) ÷ 475] x 100 = -17.47%
Formula
Percentage change = [(392 - 475) / 475] x 100
Subtract the new number by the original number
392 - 475 = -83
-83 ÷ 475 = -0.17473684210526316
-0.17473684210526316 x 100 = -17.47%