1278% is the change from 50 to 689
Calculation steps:
[( 689 - 50 ) ÷ 50] x 100 = 1278%
Formula
Percentage change = [(689 - 50) / 50] x 100
Subtract the new number by the original number
689 - 50 = 639
639 ÷ 50 = 12.78
12.78 x 100 = 1278%
Example