-61.34% is the change from 807 to 312
Calculation steps:
[( 312 - 807 ) ÷ 807] x 100 = -61.34%
Formula
Percentage change = [(312 - 807) / 807] x 100
Subtract the new number by the original number
312 - 807 = -495
-495 ÷ 807 = -0.6133828996282528
-0.6133828996282528 x 100 = -61.34%