448.65% is the change from 148 to 812
Calculation steps:
[( 812 - 148 ) ÷ 148] x 100 = 448.65%
Formula
Percentage change = [(812 - 148) / 148] x 100
Subtract the new number by the original number
812 - 148 = 664
664 ÷ 148 = 4.486486486486487
4.486486486486487 x 100 = 448.65%