-82.29% is the change from 288 to 51
Calculation steps:
[( 51 - 288 ) ÷ 288] x 100 = -82.29%
Formula
Percentage change = [(51 - 288) / 288] x 100
Subtract the new number by the original number
51 - 288 = -237
-237 ÷ 288 = -0.8229166666666666
-0.8229166666666666 x 100 = -82.29%