2247.62% is the change from 21 to 493
Calculation steps:
[( 493 - 21 ) ÷ 21] x 100 = 2247.62%
Formula
Percentage change = [(493 - 21) / 21] x 100
Subtract the new number by the original number
493 - 21 = 472
472 ÷ 21 = 22.476190476190474
22.476190476190474 x 100 = 2247.62%