-87.64% is the change from 736 to 91
Calculation steps:
[( 91 - 736 ) ÷ 736] x 100 = -87.64%
Formula
Percentage change = [(91 - 736) / 736] x 100
Subtract the new number by the original number
91 - 736 = -645
-645 ÷ 736 = -0.876358695652174
-0.876358695652174 x 100 = -87.64%