2152.38% is the change from 21 to 473
Calculation steps:
[( 473 - 21 ) ÷ 21] x 100 = 2152.38%
Formula
Percentage change = [(473 - 21) / 21] x 100
Subtract the new number by the original number
473 - 21 = 452
452 ÷ 21 = 21.523809523809526
21.523809523809526 x 100 = 2152.38%