106.05% is the change from 397 to 818
Calculation steps:
[( 818 - 397 ) ÷ 397] x 100 = 106.05%
Formula
Percentage change = [(818 - 397) / 397] x 100
Subtract the new number by the original number
818 - 397 = 421
421 ÷ 397 = 1.0604534005037782
1.0604534005037782 x 100 = 106.05%