-74.37% is the change from 827 to 212
Calculation steps:
[( 212 - 827 ) ÷ 827] x 100 = -74.37%
Formula
Percentage change = [(212 - 827) / 827] x 100
Subtract the new number by the original number
212 - 827 = -615
-615 ÷ 827 = -0.7436517533252721
-0.7436517533252721 x 100 = -74.37%