-76.25% is the change from 821 to 195
Calculation steps:
[( 195 - 821 ) ÷ 821] x 100 = -76.25%
Formula
Percentage change = [(195 - 821) / 821] x 100
Subtract the new number by the original number
195 - 821 = -626
-626 ÷ 821 = -0.7624847746650426
-0.7624847746650426 x 100 = -76.25%