-90.35% is the change from 943 to 91
Calculation steps:
[( 91 - 943 ) ÷ 943] x 100 = -90.35%
Formula
Percentage change = [(91 - 943) / 943] x 100
Subtract the new number by the original number
91 - 943 = -852
-852 ÷ 943 = -0.9034994697773064
-0.9034994697773064 x 100 = -90.35%