-65.19% is the change from 678 to 236
Calculation steps:
[( 236 - 678 ) ÷ 678] x 100 = -65.19%
Formula
Percentage change = [(236 - 678) / 678] x 100
Subtract the new number by the original number
236 - 678 = -442
-442 ÷ 678 = -0.6519174041297935
-0.6519174041297935 x 100 = -65.19%