-91.14% is the change from 903 to 80
Calculation steps:
[( 80 - 903 ) ÷ 903] x 100 = -91.14%
Formula
Percentage change = [(80 - 903) / 903] x 100
Subtract the new number by the original number
80 - 903 = -823
-823 ÷ 903 = -0.9114064230343301
-0.9114064230343301 x 100 = -91.14%