-86.76% is the change from 672 to 89
Calculation steps:
[( 89 - 672 ) ÷ 672] x 100 = -86.76%
Formula
Percentage change = [(89 - 672) / 672] x 100
Subtract the new number by the original number
89 - 672 = -583
-583 ÷ 672 = -0.8675595238095238
-0.8675595238095238 x 100 = -86.76%