489.05% is the change from 137 to 807
Calculation steps:
[( 807 - 137 ) ÷ 137] x 100 = 489.05%
Formula
Percentage change = [(807 - 137) / 137] x 100
Subtract the new number by the original number
807 - 137 = 670
670 ÷ 137 = 4.890510948905109
4.890510948905109 x 100 = 489.05%