4438.1% is the change from 21 to 953
Calculation steps:
[( 953 - 21 ) ÷ 21] x 100 = 4438.1%
Formula
Percentage change = [(953 - 21) / 21] x 100
Subtract the new number by the original number
953 - 21 = 932
932 ÷ 21 = 44.38095238095238
44.38095238095238 x 100 = 4438.1%