4195.24% is the change from 21 to 902
Calculation steps:
[( 902 - 21 ) ÷ 21] x 100 = 4195.24%
Formula
Percentage change = [(902 - 21) / 21] x 100
Subtract the new number by the original number
902 - 21 = 881
881 ÷ 21 = 41.95238095238095
41.95238095238095 x 100 = 4195.24%