-94.92% is the change from 413 to 21
Calculation steps:
[( 21 - 413 ) ÷ 413] x 100 = -94.92%
Formula
Percentage change = [(21 - 413) / 413] x 100
Subtract the new number by the original number
21 - 413 = -392
-392 ÷ 413 = -0.9491525423728814
-0.9491525423728814 x 100 = -94.92%