-91.88% is the change from 690 to 56
Calculation steps:
[( 56 - 690 ) ÷ 690] x 100 = -91.88%
Formula
Percentage change = [(56 - 690) / 690] x 100
Subtract the new number by the original number
56 - 690 = -634
-634 ÷ 690 = -0.9188405797101449
-0.9188405797101449 x 100 = -91.88%