-94.21% is the change from 363 to 21
Calculation steps:
[( 21 - 363 ) ÷ 363] x 100 = -94.21%
Formula
Percentage change = [(21 - 363) / 363] x 100
Subtract the new number by the original number
21 - 363 = -342
-342 ÷ 363 = -0.9421487603305785
-0.9421487603305785 x 100 = -94.21%