-61.04% is the change from 811 to 316
Calculation steps:
[( 316 - 811 ) ÷ 811] x 100 = -61.04%
Formula
Percentage change = [(316 - 811) / 811] x 100
Subtract the new number by the original number
316 - 811 = -495
-495 ÷ 811 = -0.6103575832305795
-0.6103575832305795 x 100 = -61.04%