-14.6% is the change from 630 to 538
Calculation steps:
[( 538 - 630 ) ÷ 630] x 100 = -14.6%
Formula
Percentage change = [(538 - 630) / 630] x 100
Subtract the new number by the original number
538 - 630 = -92
-92 ÷ 630 = -0.14603174603174604
-0.14603174603174604 x 100 = -14.6%