228.57% is the change from 84 to 276
Calculation steps:
[( 276 - 84 ) ÷ 84] x 100 = 228.57%
Formula
Percentage change = [(276 - 84) / 84] x 100
Subtract the new number by the original number
276 - 84 = 192
192 ÷ 84 = 2.2857142857142856
2.2857142857142856 x 100 = 228.57%