462.76% is the change from 145 to 816
Calculation steps:
[( 816 - 145 ) ÷ 145] x 100 = 462.76%
Formula
Percentage change = [(816 - 145) / 145] x 100
Subtract the new number by the original number
816 - 145 = 671
671 ÷ 145 = 4.627586206896551
4.627586206896551 x 100 = 462.76%