-89.29% is the change from 915 to 98
Calculation steps:
[( 98 - 915 ) ÷ 915] x 100 = -89.29%
Formula
Percentage change = [(98 - 915) / 915] x 100
Subtract the new number by the original number
98 - 915 = -817
-817 ÷ 915 = -0.892896174863388
-0.892896174863388 x 100 = -89.29%