394.55% is the change from 165 to 816
Calculation steps:
[( 816 - 165 ) ÷ 165] x 100 = 394.55%
Formula
Percentage change = [(816 - 165) / 165] x 100
Subtract the new number by the original number
816 - 165 = 651
651 ÷ 165 = 3.9454545454545453
3.9454545454545453 x 100 = 394.55%