-61.42% is the change from 635 to 245
Calculation steps:
[( 245 - 635 ) ÷ 635] x 100 = -61.42%
Formula
Percentage change = [(245 - 635) / 635] x 100
Subtract the new number by the original number
245 - 635 = -390
-390 ÷ 635 = -0.6141732283464567
-0.6141732283464567 x 100 = -61.42%