38.87% is the change from 620 to 861
Calculation steps:
[( 861 - 620 ) ÷ 620] x 100 = 38.87%
Formula
Percentage change = [(861 - 620) / 620] x 100
Subtract the new number by the original number
861 - 620 = 241
241 ÷ 620 = 0.38870967741935486
0.38870967741935486 x 100 = 38.87%