447.62% is the change from 21 to 115
Calculation steps:
[( 115 - 21 ) ÷ 21] x 100 = 447.62%
Formula
Percentage change = [(115 - 21) / 21] x 100
Subtract the new number by the original number
115 - 21 = 94
94 ÷ 21 = 4.476190476190476
4.476190476190476 x 100 = 447.62%