-62.88% is the change from 827 to 307
Calculation steps:
[( 307 - 827 ) ÷ 827] x 100 = -62.88%
Formula
Percentage change = [(307 - 827) / 827] x 100
Subtract the new number by the original number
307 - 827 = -520
-520 ÷ 827 = -0.6287787182587666
-0.6287787182587666 x 100 = -62.88%