-67.14% is the change from 846 to 278
Calculation steps:
[( 278 - 846 ) ÷ 846] x 100 = -67.14%
Formula
Percentage change = [(278 - 846) / 846] x 100
Subtract the new number by the original number
278 - 846 = -568
-568 ÷ 846 = -0.6713947990543735
-0.6713947990543735 x 100 = -67.14%