1778% is the change from 50 to 939
Calculation steps:
[( 939 - 50 ) ÷ 50] x 100 = 1778%
Formula
Percentage change = [(939 - 50) / 50] x 100
Subtract the new number by the original number
939 - 50 = 889
889 ÷ 50 = 17.78
17.78 x 100 = 1778%
Example