1171.43% is the change from 21 to 267
Calculation steps:
[( 267 - 21 ) ÷ 21] x 100 = 1171.43%
Formula
Percentage change = [(267 - 21) / 21] x 100
Subtract the new number by the original number
267 - 21 = 246
246 ÷ 21 = 11.714285714285714
11.714285714285714 x 100 = 1171.43%