-18.87% is the change from 53 to 43
Calculation steps:
[( 43 - 53 ) ÷ 53] x 100 = -18.87%
Formula
Percentage change = [(43 - 53) / 53] x 100
Subtract the new number by the original number
43 - 53 = -10
-10 ÷ 53 = -0.18867924528301888
-0.18867924528301888 x 100 = -18.87%