-77.91% is the change from 412 to 91
Calculation steps:
[( 91 - 412 ) ÷ 412] x 100 = -77.91%
Formula
Percentage change = [(91 - 412) / 412] x 100
Subtract the new number by the original number
91 - 412 = -321
-321 ÷ 412 = -0.779126213592233
-0.779126213592233 x 100 = -77.91%