4521.05% is the change from 19 to 878
Calculation steps:
[( 878 - 19 ) ÷ 19] x 100 = 4521.05%
Formula
Percentage change = [(878 - 19) / 19] x 100
Subtract the new number by the original number
878 - 19 = 859
859 ÷ 19 = 45.21052631578947
45.21052631578947 x 100 = 4521.05%