-31.86% is the change from 678 to 462
Calculation steps:
[( 462 - 678 ) ÷ 678] x 100 = -31.86%
Formula
Percentage change = [(462 - 678) / 678] x 100
Subtract the new number by the original number
462 - 678 = -216
-216 ÷ 678 = -0.3185840707964602
-0.3185840707964602 x 100 = -31.86%