-98.44% is the change from 128 to 2
Calculation steps:
[( 2 - 128 ) ÷ 128] x 100 = -98.44%
Formula
Percentage change = [(2 - 128) / 128] x 100
Subtract the new number by the original number
2 - 128 = -126
-126 ÷ 128 = -0.984375
-0.984375 x 100 = -98.44%