3162.5% is the change from 8 to 261
Calculation steps:
[( 261 - 8 ) ÷ 8] x 100 = 3162.5%
Formula
Percentage change = [(261 - 8) / 8] x 100
Subtract the new number by the original number
261 - 8 = 253
253 ÷ 8 = 31.625
31.625 x 100 = 3162.5%
Example