4295.24% is the change from 21 to 923
Calculation steps:
[( 923 - 21 ) ÷ 21] x 100 = 4295.24%
Formula
Percentage change = [(923 - 21) / 21] x 100
Subtract the new number by the original number
923 - 21 = 902
902 ÷ 21 = 42.95238095238095
42.95238095238095 x 100 = 4295.24%