-29.94% is the change from 785 to 550
Calculation steps:
[( 550 - 785 ) ÷ 785] x 100 = -29.94%
Formula
Percentage change = [(550 - 785) / 785] x 100
Subtract the new number by the original number
550 - 785 = -235
-235 ÷ 785 = -0.29936305732484075
-0.29936305732484075 x 100 = -29.94%