452.7% is the change from 148 to 818
Calculation steps:
[( 818 - 148 ) ÷ 148] x 100 = 452.7%
Formula
Percentage change = [(818 - 148) / 148] x 100
Subtract the new number by the original number
818 - 148 = 670
670 ÷ 148 = 4.527027027027027
4.527027027027027 x 100 = 452.7%