767.86% is the change from 28 to 243
Calculation steps:
[( 243 - 28 ) ÷ 28] x 100 = 767.86%
Formula
Percentage change = [(243 - 28) / 28] x 100
Subtract the new number by the original number
243 - 28 = 215
215 ÷ 28 = 7.678571428571429
7.678571428571429 x 100 = 767.86%