-89.78% is the change from 910 to 93
Calculation steps:
[( 93 - 910 ) ÷ 910] x 100 = -89.78%
Formula
Percentage change = [(93 - 910) / 910] x 100
Subtract the new number by the original number
93 - 910 = -817
-817 ÷ 910 = -0.8978021978021978
-0.8978021978021978 x 100 = -89.78%