-37.11% is the change from 997 to 627
Calculation steps:
[( 627 - 997 ) ÷ 997] x 100 = -37.11%
Formula
Percentage change = [(627 - 997) / 997] x 100
Subtract the new number by the original number
627 - 997 = -370
-370 ÷ 997 = -0.3711133400200602
-0.3711133400200602 x 100 = -37.11%