-18.6% is the change from 656 to 534
Calculation steps:
[( 534 - 656 ) ÷ 656] x 100 = -18.6%
Formula
Percentage change = [(534 - 656) / 656] x 100
Subtract the new number by the original number
534 - 656 = -122
-122 ÷ 656 = -0.18597560975609756
-0.18597560975609756 x 100 = -18.6%