2537.5% is the change from 8 to 211
Calculation steps:
[( 211 - 8 ) ÷ 8] x 100 = 2537.5%
Formula
Percentage change = [(211 - 8) / 8] x 100
Subtract the new number by the original number
211 - 8 = 203
203 ÷ 8 = 25.375
25.375 x 100 = 2537.5%
Example