-17.1% is the change from 538 to 446
Calculation steps:
[( 446 - 538 ) ÷ 538] x 100 = -17.1%
Formula
Percentage change = [(446 - 538) / 538] x 100
Subtract the new number by the original number
446 - 538 = -92
-92 ÷ 538 = -0.17100371747211895
-0.17100371747211895 x 100 = -17.1%