150% is the change from 324 to 810
Calculation steps:
[( 810 - 324 ) ÷ 324] x 100 = 150%
Formula
Percentage change = [(810 - 324) / 324] x 100
Subtract the new number by the original number
810 - 324 = 486
486 ÷ 324 = 1.5
1.5 x 100 = 150%
Example