-78.04% is the change from 624 to 137
Calculation steps:
[( 137 - 624 ) ÷ 624] x 100 = -78.04%
Formula
Percentage change = [(137 - 624) / 624] x 100
Subtract the new number by the original number
137 - 624 = -487
-487 ÷ 624 = -0.780448717948718
-0.780448717948718 x 100 = -78.04%