3921.05% is the change from 19 to 764
Calculation steps:
[( 764 - 19 ) ÷ 19] x 100 = 3921.05%
Formula
Percentage change = [(764 - 19) / 19] x 100
Subtract the new number by the original number
764 - 19 = 745
745 ÷ 19 = 39.21052631578947
39.21052631578947 x 100 = 3921.05%