491.97% is the change from 137 to 811
Calculation steps:
[( 811 - 137 ) ÷ 137] x 100 = 491.97%
Formula
Percentage change = [(811 - 137) / 137] x 100
Subtract the new number by the original number
811 - 137 = 674
674 ÷ 137 = 4.91970802919708
4.91970802919708 x 100 = 491.97%