-87.72% is the change from 790 to 97
Calculation steps:
[( 97 - 790 ) ÷ 790] x 100 = -87.72%
Formula
Percentage change = [(97 - 790) / 790] x 100
Subtract the new number by the original number
97 - 790 = -693
-693 ÷ 790 = -0.8772151898734177
-0.8772151898734177 x 100 = -87.72%