-76.2% is the change from 811 to 193
Calculation steps:
[( 193 - 811 ) ÷ 811] x 100 = -76.2%
Formula
Percentage change = [(193 - 811) / 811] x 100
Subtract the new number by the original number
193 - 811 = -618
-618 ÷ 811 = -0.7620221948212084
-0.7620221948212084 x 100 = -76.2%