-99.78% is the change from 913 to 2
Calculation steps:
[( 2 - 913 ) ÷ 913] x 100 = -99.78%
Formula
Percentage change = [(2 - 913) / 913] x 100
Subtract the new number by the original number
2 - 913 = -911
-911 ÷ 913 = -0.9978094194961665
-0.9978094194961665 x 100 = -99.78%