-68.16% is the change from 402 to 128
Calculation steps:
[( 128 - 402 ) ÷ 402] x 100 = -68.16%
Formula
Percentage change = [(128 - 402) / 402] x 100
Subtract the new number by the original number
128 - 402 = -274
-274 ÷ 402 = -0.681592039800995
-0.681592039800995 x 100 = -68.16%