-22.12% is the change from 678 to 528
Calculation steps:
[( 528 - 678 ) ÷ 678] x 100 = -22.12%
Formula
Percentage change = [(528 - 678) / 678] x 100
Subtract the new number by the original number
528 - 678 = -150
-150 ÷ 678 = -0.22123893805309736
-0.22123893805309736 x 100 = -22.12%