-94.34% is the change from 371 to 21
Calculation steps:
[( 21 - 371 ) ÷ 371] x 100 = -94.34%
Formula
Percentage change = [(21 - 371) / 371] x 100
Subtract the new number by the original number
21 - 371 = -350
-350 ÷ 371 = -0.9433962264150944
-0.9433962264150944 x 100 = -94.34%