-92.19% is the change from 128 to 10
Calculation steps:
[( 10 - 128 ) ÷ 128] x 100 = -92.19%
Formula
Percentage change = [(10 - 128) / 128] x 100
Subtract the new number by the original number
10 - 128 = -118
-118 ÷ 128 = -0.921875
-0.921875 x 100 = -92.19%