-5.51% is the change from 363 to 343
Calculation steps:
[( 343 - 363 ) ÷ 363] x 100 = -5.51%
Formula
Percentage change = [(343 - 363) / 363] x 100
Subtract the new number by the original number
343 - 363 = -20
-20 ÷ 363 = -0.05509641873278237
-0.05509641873278237 x 100 = -5.51%