-77.02% is the change from 396 to 91
Calculation steps:
[( 91 - 396 ) ÷ 396] x 100 = -77.02%
Formula
Percentage change = [(91 - 396) / 396] x 100
Subtract the new number by the original number
91 - 396 = -305
-305 ÷ 396 = -0.7702020202020202
-0.7702020202020202 x 100 = -77.02%