-73.63% is the change from 91 to 24
Calculation steps:
[( 24 - 91 ) ÷ 91] x 100 = -73.63%
Formula
Percentage change = [(24 - 91) / 91] x 100
Subtract the new number by the original number
24 - 91 = -67
-67 ÷ 91 = -0.7362637362637363
-0.7362637362637363 x 100 = -73.63%