-97.45% is the change from 628 to 16
Calculation steps:
[( 16 - 628 ) ÷ 628] x 100 = -97.45%
Formula
Percentage change = [(16 - 628) / 628] x 100
Subtract the new number by the original number
16 - 628 = -612
-612 ÷ 628 = -0.9745222929936306
-0.9745222929936306 x 100 = -97.45%