2862.5% is the change from 8 to 237
Calculation steps:
[( 237 - 8 ) ÷ 8] x 100 = 2862.5%
Formula
Percentage change = [(237 - 8) / 8] x 100
Subtract the new number by the original number
237 - 8 = 229
229 ÷ 8 = 28.625
28.625 x 100 = 2862.5%
Example