259.52% is the change from 84 to 302
Calculation steps:
[( 302 - 84 ) ÷ 84] x 100 = 259.52%
Formula
Percentage change = [(302 - 84) / 84] x 100
Subtract the new number by the original number
302 - 84 = 218
218 ÷ 84 = 2.5952380952380953
2.5952380952380953 x 100 = 259.52%