-57.04% is the change from 817 to 351
Calculation steps:
[( 351 - 817 ) ÷ 817] x 100 = -57.04%
Formula
Percentage change = [(351 - 817) / 817] x 100
Subtract the new number by the original number
351 - 817 = -466
-466 ÷ 817 = -0.5703794369645043
-0.5703794369645043 x 100 = -57.04%