2700% is the change from 28 to 784
Calculation steps:
[( 784 - 28 ) ÷ 28] x 100 = 2700%
Formula
Percentage change = [(784 - 28) / 28] x 100
Subtract the new number by the original number
784 - 28 = 756
756 ÷ 28 = 27
27 x 100 = 2700%
Example