-87.09% is the change from 705 to 91
Calculation steps:
[( 91 - 705 ) ÷ 705] x 100 = -87.09%
Formula
Percentage change = [(91 - 705) / 705] x 100
Subtract the new number by the original number
91 - 705 = -614
-614 ÷ 705 = -0.8709219858156029
-0.8709219858156029 x 100 = -87.09%