-91.16% is the change from 690 to 61
Calculation steps:
[( 61 - 690 ) ÷ 690] x 100 = -91.16%
Formula
Percentage change = [(61 - 690) / 690] x 100
Subtract the new number by the original number
61 - 690 = -629
-629 ÷ 690 = -0.9115942028985508
-0.9115942028985508 x 100 = -91.16%