-5.53% is the change from 850 to 803
Calculation steps:
[( 803 - 850 ) ÷ 850] x 100 = -5.53%
Formula
Percentage change = [(803 - 850) / 850] x 100
Subtract the new number by the original number
803 - 850 = -47
-47 ÷ 850 = -0.05529411764705883
-0.05529411764705883 x 100 = -5.53%