-91.79% is the change from 913 to 75
Calculation steps:
[( 75 - 913 ) ÷ 913] x 100 = -91.79%
Formula
Percentage change = [(75 - 913) / 913] x 100
Subtract the new number by the original number
75 - 913 = -838
-838 ÷ 913 = -0.9178532311062432
-0.9178532311062432 x 100 = -91.79%