-35.89% is the change from 482 to 309
Calculation steps:
[( 309 - 482 ) ÷ 482] x 100 = -35.89%
Formula
Percentage change = [(309 - 482) / 482] x 100
Subtract the new number by the original number
309 - 482 = -173
-173 ÷ 482 = -0.35892116182572614
-0.35892116182572614 x 100 = -35.89%