4973.68% is the change from 19 to 964
Calculation steps:
[( 964 - 19 ) ÷ 19] x 100 = 4973.68%
Formula
Percentage change = [(964 - 19) / 19] x 100
Subtract the new number by the original number
964 - 19 = 945
945 ÷ 19 = 49.73684210526316
49.73684210526316 x 100 = 4973.68%