-26% is the change from 827 to 612
Calculation steps:
[( 612 - 827 ) ÷ 827] x 100 = -26%
Formula
Percentage change = [(612 - 827) / 827] x 100
Subtract the new number by the original number
612 - 827 = -215
-215 ÷ 827 = -0.2599758162031439
-0.2599758162031439 x 100 = -26%