-91.7% is the change from 675 to 56
Calculation steps:
[( 56 - 675 ) ÷ 675] x 100 = -91.7%
Formula
Percentage change = [(56 - 675) / 675] x 100
Subtract the new number by the original number
56 - 675 = -619
-619 ÷ 675 = -0.917037037037037
-0.917037037037037 x 100 = -91.7%