380.95% is the change from 21 to 101
Calculation steps:
[( 101 - 21 ) ÷ 21] x 100 = 380.95%
Formula
Percentage change = [(101 - 21) / 21] x 100
Subtract the new number by the original number
101 - 21 = 80
80 ÷ 21 = 3.8095238095238093
3.8095238095238093 x 100 = 380.95%