-75.14% is the change from 366 to 91
Calculation steps:
[( 91 - 366 ) ÷ 366] x 100 = -75.14%
Formula
Percentage change = [(91 - 366) / 366] x 100
Subtract the new number by the original number
91 - 366 = -275
-275 ÷ 366 = -0.7513661202185792
-0.7513661202185792 x 100 = -75.14%