446.67% is the change from 150 to 820
Calculation steps:
[( 820 - 150 ) ÷ 150] x 100 = 446.67%
Formula
Percentage change = [(820 - 150) / 150] x 100
Subtract the new number by the original number
820 - 150 = 670
670 ÷ 150 = 4.466666666666667
4.466666666666667 x 100 = 446.67%