-63.31% is the change from 278 to 102
Calculation steps:
[( 102 - 278 ) ÷ 278] x 100 = -63.31%
Formula
Percentage change = [(102 - 278) / 278] x 100
Subtract the new number by the original number
102 - 278 = -176
-176 ÷ 278 = -0.6330935251798561
-0.6330935251798561 x 100 = -63.31%