-21.98% is the change from 678 to 529
Calculation steps:
[( 529 - 678 ) ÷ 678] x 100 = -21.98%
Formula
Percentage change = [(529 - 678) / 678] x 100
Subtract the new number by the original number
529 - 678 = -149
-149 ÷ 678 = -0.21976401179941002
-0.21976401179941002 x 100 = -21.98%