218.18% is the change from 88 to 280
Calculation steps:
[( 280 - 88 ) ÷ 88] x 100 = 218.18%
Formula
Percentage change = [(280 - 88) / 88] x 100
Subtract the new number by the original number
280 - 88 = 192
192 ÷ 88 = 2.1818181818181817
2.1818181818181817 x 100 = 218.18%