1780% is the change from 30 to 564
Calculation steps:
[( 564 - 30 ) ÷ 30] x 100 = 1780%
Formula
Percentage change = [(564 - 30) / 30] x 100
Subtract the new number by the original number
564 - 30 = 534
534 ÷ 30 = 17.8
17.8 x 100 = 1780%
Example