-91.45% is the change from 936 to 80
Calculation steps:
[( 80 - 936 ) ÷ 936] x 100 = -91.45%
Formula
Percentage change = [(80 - 936) / 936] x 100
Subtract the new number by the original number
80 - 936 = -856
-856 ÷ 936 = -0.9145299145299145
-0.9145299145299145 x 100 = -91.45%