-97.21% is the change from 394 to 11
Calculation steps:
[( 11 - 394 ) ÷ 394] x 100 = -97.21%
Formula
Percentage change = [(11 - 394) / 394] x 100
Subtract the new number by the original number
11 - 394 = -383
-383 ÷ 394 = -0.9720812182741116
-0.9720812182741116 x 100 = -97.21%