4547.62% is the change from 21 to 976
Calculation steps:
[( 976 - 21 ) ÷ 21] x 100 = 4547.62%
Formula
Percentage change = [(976 - 21) / 21] x 100
Subtract the new number by the original number
976 - 21 = 955
955 ÷ 21 = 45.476190476190474
45.476190476190474 x 100 = 4547.62%