-65.05% is the change from 475 to 166
Calculation steps:
[( 166 - 475 ) ÷ 475] x 100 = -65.05%
Formula
Percentage change = [(166 - 475) / 475] x 100
Subtract the new number by the original number
166 - 475 = -309
-309 ÷ 475 = -0.6505263157894737
-0.6505263157894737 x 100 = -65.05%