-82.87% is the change from 905 to 155
Calculation steps:
[( 155 - 905 ) ÷ 905] x 100 = -82.87%
Formula
Percentage change = [(155 - 905) / 905] x 100
Subtract the new number by the original number
155 - 905 = -750
-750 ÷ 905 = -0.8287292817679558
-0.8287292817679558 x 100 = -82.87%