-80.43% is the change from 465 to 91
Calculation steps:
[( 91 - 465 ) ÷ 465] x 100 = -80.43%
Formula
Percentage change = [(91 - 465) / 465] x 100
Subtract the new number by the original number
91 - 465 = -374
-374 ÷ 465 = -0.8043010752688172
-0.8043010752688172 x 100 = -80.43%