1780% is the change from 50 to 940
Calculation steps:
[( 940 - 50 ) ÷ 50] x 100 = 1780%
Formula
Percentage change = [(940 - 50) / 50] x 100
Subtract the new number by the original number
940 - 50 = 890
890 ÷ 50 = 17.8
17.8 x 100 = 1780%
Example