-74.28% is the change from 828 to 213
Calculation steps:
[( 213 - 828 ) ÷ 828] x 100 = -74.28%
Formula
Percentage change = [(213 - 828) / 828] x 100
Subtract the new number by the original number
213 - 828 = -615
-615 ÷ 828 = -0.7427536231884058
-0.7427536231884058 x 100 = -74.28%