-90.92% is the change from 672 to 61
Calculation steps:
[( 61 - 672 ) ÷ 672] x 100 = -90.92%
Formula
Percentage change = [(61 - 672) / 672] x 100
Subtract the new number by the original number
61 - 672 = -611
-611 ÷ 672 = -0.9092261904761905
-0.9092261904761905 x 100 = -90.92%