-83.6% is the change from 628 to 103
Calculation steps:
[( 103 - 628 ) ÷ 628] x 100 = -83.6%
Formula
Percentage change = [(103 - 628) / 628] x 100
Subtract the new number by the original number
103 - 628 = -525
-525 ÷ 628 = -0.8359872611464968
-0.8359872611464968 x 100 = -83.6%