-80.47% is the change from 466 to 91
Calculation steps:
[( 91 - 466 ) ÷ 466] x 100 = -80.47%
Formula
Percentage change = [(91 - 466) / 466] x 100
Subtract the new number by the original number
91 - 466 = -375
-375 ÷ 466 = -0.8047210300429185
-0.8047210300429185 x 100 = -80.47%