-33.87% is the change from 620 to 410
Calculation steps:
[( 410 - 620 ) ÷ 620] x 100 = -33.87%
Formula
Percentage change = [(410 - 620) / 620] x 100
Subtract the new number by the original number
410 - 620 = -210
-210 ÷ 620 = -0.3387096774193548
-0.3387096774193548 x 100 = -33.87%