-66.29% is the change from 807 to 272
Calculation steps:
[( 272 - 807 ) ÷ 807] x 100 = -66.29%
Formula
Percentage change = [(272 - 807) / 807] x 100
Subtract the new number by the original number
272 - 807 = -535
-535 ÷ 807 = -0.6629491945477075
-0.6629491945477075 x 100 = -66.29%