-90.7% is the change from 903 to 84
Calculation steps:
[( 84 - 903 ) ÷ 903] x 100 = -90.7%
Formula
Percentage change = [(84 - 903) / 903] x 100
Subtract the new number by the original number
84 - 903 = -819
-819 ÷ 903 = -0.9069767441860465
-0.9069767441860465 x 100 = -90.7%