1021.62% is the change from 74 to 830
Calculation steps:
[( 830 - 74 ) ÷ 74] x 100 = 1021.62%
Formula
Percentage change = [(830 - 74) / 74] x 100
Subtract the new number by the original number
830 - 74 = 756
756 ÷ 74 = 10.216216216216216
10.216216216216216 x 100 = 1021.62%