-91.77% is the change from 693 to 57
Calculation steps:
[( 57 - 693 ) ÷ 693] x 100 = -91.77%
Formula
Percentage change = [(57 - 693) / 693] x 100
Subtract the new number by the original number
57 - 693 = -636
-636 ÷ 693 = -0.9177489177489178
-0.9177489177489178 x 100 = -91.77%