-57.33% is the change from 300 to 128
Calculation steps:
[( 128 - 300 ) ÷ 300] x 100 = -57.33%
Formula
Percentage change = [(128 - 300) / 300] x 100
Subtract the new number by the original number
128 - 300 = -172
-172 ÷ 300 = -0.5733333333333334
-0.5733333333333334 x 100 = -57.33%