750% is the change from 36 to 306
Calculation steps:
[( 306 - 36 ) ÷ 36] x 100 = 750%
Formula
Percentage change = [(306 - 36) / 36] x 100
Subtract the new number by the original number
306 - 36 = 270
270 ÷ 36 = 7.5
7.5 x 100 = 750%
Example