-62.08% is the change from 807 to 306
Calculation steps:
[( 306 - 807 ) ÷ 807] x 100 = -62.08%
Formula
Percentage change = [(306 - 807) / 807] x 100
Subtract the new number by the original number
306 - 807 = -501
-501 ÷ 807 = -0.620817843866171
-0.620817843866171 x 100 = -62.08%