-7.63% is the change from 393 to 363
Calculation steps:
[( 363 - 393 ) ÷ 393] x 100 = -7.63%
Formula
Percentage change = [(363 - 393) / 393] x 100
Subtract the new number by the original number
363 - 393 = -30
-30 ÷ 393 = -0.07633587786259542
-0.07633587786259542 x 100 = -7.63%