-91.18% is the change from 680 to 60
Calculation steps:
[( 60 - 680 ) ÷ 680] x 100 = -91.18%
Formula
Percentage change = [(60 - 680) / 680] x 100
Subtract the new number by the original number
60 - 680 = -620
-620 ÷ 680 = -0.9117647058823529
-0.9117647058823529 x 100 = -91.18%