-73.05% is the change from 475 to 128
Calculation steps:
[( 128 - 475 ) ÷ 475] x 100 = -73.05%
Formula
Percentage change = [(128 - 475) / 475] x 100
Subtract the new number by the original number
128 - 475 = -347
-347 ÷ 475 = -0.7305263157894737
-0.7305263157894737 x 100 = -73.05%