-26.6% is the change from 827 to 607
Calculation steps:
[( 607 - 827 ) ÷ 827] x 100 = -26.6%
Formula
Percentage change = [(607 - 827) / 827] x 100
Subtract the new number by the original number
607 - 827 = -220
-220 ÷ 827 = -0.2660217654171705
-0.2660217654171705 x 100 = -26.6%