-72.77% is the change from 470 to 128
Calculation steps:
[( 128 - 470 ) ÷ 470] x 100 = -72.77%
Formula
Percentage change = [(128 - 470) / 470] x 100
Subtract the new number by the original number
128 - 470 = -342
-342 ÷ 470 = -0.7276595744680852
-0.7276595744680852 x 100 = -72.77%