694% is the change from 50 to 397
Calculation steps:
[( 397 - 50 ) ÷ 50] x 100 = 694%
Formula
Percentage change = [(397 - 50) / 50] x 100
Subtract the new number by the original number
397 - 50 = 347
347 ÷ 50 = 6.94
6.94 x 100 = 694%
Example