4542.86% is the change from 21 to 975
Calculation steps:
[( 975 - 21 ) ÷ 21] x 100 = 4542.86%
Formula
Percentage change = [(975 - 21) / 21] x 100
Subtract the new number by the original number
975 - 21 = 954
954 ÷ 21 = 45.42857142857143
45.42857142857143 x 100 = 4542.86%