-94.13% is the change from 358 to 21
Calculation steps:
[( 21 - 358 ) ÷ 358] x 100 = -94.13%
Formula
Percentage change = [(21 - 358) / 358] x 100
Subtract the new number by the original number
21 - 358 = -337
-337 ÷ 358 = -0.9413407821229051
-0.9413407821229051 x 100 = -94.13%