-37.63% is the change from 994 to 620
Calculation steps:
[( 620 - 994 ) ÷ 994] x 100 = -37.63%
Formula
Percentage change = [(620 - 994) / 994] x 100
Subtract the new number by the original number
620 - 994 = -374
-374 ÷ 994 = -0.3762575452716298
-0.3762575452716298 x 100 = -37.63%