-92.54% is the change from 201 to 15
Calculation steps:
[( 15 - 201 ) ÷ 201] x 100 = -92.54%
Formula
Percentage change = [(15 - 201) / 201] x 100
Subtract the new number by the original number
15 - 201 = -186
-186 ÷ 201 = -0.9253731343283582
-0.9253731343283582 x 100 = -92.54%