-5.21% is the change from 96 to 91
Calculation steps:
[( 91 - 96 ) ÷ 96] x 100 = -5.21%
Formula
Percentage change = [(91 - 96) / 96] x 100
Subtract the new number by the original number
91 - 96 = -5
-5 ÷ 96 = -0.052083333333333336
-0.052083333333333336 x 100 = -5.21%