-92.57% is the change from 202 to 15
Calculation steps:
[( 15 - 202 ) ÷ 202] x 100 = -92.57%
Formula
Percentage change = [(15 - 202) / 202] x 100
Subtract the new number by the original number
15 - 202 = -187
-187 ÷ 202 = -0.9257425742574258
-0.9257425742574258 x 100 = -92.57%