288.73% is the change from 71 to 276
Calculation steps:
[( 276 - 71 ) ÷ 71] x 100 = 288.73%
Formula
Percentage change = [(276 - 71) / 71] x 100
Subtract the new number by the original number
276 - 71 = 205
205 ÷ 71 = 2.887323943661972
2.887323943661972 x 100 = 288.73%