-70.34% is the change from 263 to 78
Calculation steps:
[( 78 - 263 ) ÷ 263] x 100 = -70.34%
Formula
Percentage change = [(78 - 263) / 263] x 100
Subtract the new number by the original number
78 - 263 = -185
-185 ÷ 263 = -0.7034220532319392
-0.7034220532319392 x 100 = -70.34%