-64.27% is the change from 820 to 293
Calculation steps:
[( 293 - 820 ) ÷ 820] x 100 = -64.27%
Formula
Percentage change = [(293 - 820) / 820] x 100
Subtract the new number by the original number
293 - 820 = -527
-527 ÷ 820 = -0.6426829268292683
-0.6426829268292683 x 100 = -64.27%