-92.7% is the change from 233 to 17
Calculation steps:
[( 17 - 233 ) ÷ 233] x 100 = -92.7%
Formula
Percentage change = [(17 - 233) / 233] x 100
Subtract the new number by the original number
17 - 233 = -216
-216 ÷ 233 = -0.927038626609442
-0.927038626609442 x 100 = -92.7%