-80.72% is the change from 472 to 91
Calculation steps:
[( 91 - 472 ) ÷ 472] x 100 = -80.72%
Formula
Percentage change = [(91 - 472) / 472] x 100
Subtract the new number by the original number
91 - 472 = -381
-381 ÷ 472 = -0.8072033898305084
-0.8072033898305084 x 100 = -80.72%