-95.05% is the change from 303 to 15
Calculation steps:
[( 15 - 303 ) ÷ 303] x 100 = -95.05%
Formula
Percentage change = [(15 - 303) / 303] x 100
Subtract the new number by the original number
15 - 303 = -288
-288 ÷ 303 = -0.9504950495049505
-0.9504950495049505 x 100 = -95.05%