1080.95% is the change from 21 to 248
Calculation steps:
[( 248 - 21 ) ÷ 21] x 100 = 1080.95%
Formula
Percentage change = [(248 - 21) / 21] x 100
Subtract the new number by the original number
248 - 21 = 227
227 ÷ 21 = 10.80952380952381
10.80952380952381 x 100 = 1080.95%