9100% is the change from 3 to 276
Calculation steps:
[( 276 - 3 ) ÷ 3] x 100 = 9100%
Formula
Percentage change = [(276 - 3) / 3] x 100
Subtract the new number by the original number
276 - 3 = 273
273 ÷ 3 = 91
91 x 100 = 9100%
Example