-61.27% is the change from 803 to 311
Calculation steps:
[( 311 - 803 ) ÷ 803] x 100 = -61.27%
Formula
Percentage change = [(311 - 803) / 803] x 100
Subtract the new number by the original number
311 - 803 = -492
-492 ÷ 803 = -0.6127023661270237
-0.6127023661270237 x 100 = -61.27%