-20.24% is the change from 672 to 536
Calculation steps:
[( 536 - 672 ) ÷ 672] x 100 = -20.24%
Formula
Percentage change = [(536 - 672) / 672] x 100
Subtract the new number by the original number
536 - 672 = -136
-136 ÷ 672 = -0.20238095238095238
-0.20238095238095238 x 100 = -20.24%