-80.95% is the change from 903 to 172
Calculation steps:
[( 172 - 903 ) ÷ 903] x 100 = -80.95%
Formula
Percentage change = [(172 - 903) / 903] x 100
Subtract the new number by the original number
172 - 903 = -731
-731 ÷ 903 = -0.8095238095238095
-0.8095238095238095 x 100 = -80.95%