-56.35% is the change from 811 to 354
Calculation steps:
[( 354 - 811 ) ÷ 811] x 100 = -56.35%
Formula
Percentage change = [(354 - 811) / 811] x 100
Subtract the new number by the original number
354 - 811 = -457
-457 ÷ 811 = -0.5635018495684341
-0.5635018495684341 x 100 = -56.35%