805.41% is the change from 74 to 670
Calculation steps:
[( 670 - 74 ) ÷ 74] x 100 = 805.41%
Formula
Percentage change = [(670 - 74) / 74] x 100
Subtract the new number by the original number
670 - 74 = 596
596 ÷ 74 = 8.054054054054054
8.054054054054054 x 100 = 805.41%