-70.79% is the change from 267 to 78
Calculation steps:
[( 78 - 267 ) ÷ 267] x 100 = -70.79%
Formula
Percentage change = [(78 - 267) / 267] x 100
Subtract the new number by the original number
78 - 267 = -189
-189 ÷ 267 = -0.7078651685393258
-0.7078651685393258 x 100 = -70.79%