-69.21% is the change from 630 to 194
Calculation steps:
[( 194 - 630 ) ÷ 630] x 100 = -69.21%
Formula
Percentage change = [(194 - 630) / 630] x 100
Subtract the new number by the original number
194 - 630 = -436
-436 ÷ 630 = -0.692063492063492
-0.692063492063492 x 100 = -69.21%