1200% is the change from 63 to 819
Calculation steps:
[( 819 - 63 ) ÷ 63] x 100 = 1200%
Formula
Percentage change = [(819 - 63) / 63] x 100
Subtract the new number by the original number
819 - 63 = 756
756 ÷ 63 = 12
12 x 100 = 1200%
Example