-78.66% is the change from 478 to 102
Calculation steps:
[( 102 - 478 ) ÷ 478] x 100 = -78.66%
Formula
Percentage change = [(102 - 478) / 478] x 100
Subtract the new number by the original number
102 - 478 = -376
-376 ÷ 478 = -0.7866108786610879
-0.7866108786610879 x 100 = -78.66%