-97.26% is the change from 402 to 11
Calculation steps:
[( 11 - 402 ) ÷ 402] x 100 = -97.26%
Formula
Percentage change = [(11 - 402) / 402] x 100
Subtract the new number by the original number
11 - 402 = -391
-391 ÷ 402 = -0.972636815920398
-0.972636815920398 x 100 = -97.26%