-72.92% is the change from 288 to 78
Calculation steps:
[( 78 - 288 ) ÷ 288] x 100 = -72.92%
Formula
Percentage change = [(78 - 288) / 288] x 100
Subtract the new number by the original number
78 - 288 = -210
-210 ÷ 288 = -0.7291666666666666
-0.7291666666666666 x 100 = -72.92%