2057.78% is the change from 45 to 971
Calculation steps:
[( 971 - 45 ) ÷ 45] x 100 = 2057.78%
Formula
Percentage change = [(971 - 45) / 45] x 100
Subtract the new number by the original number
971 - 45 = 926
926 ÷ 45 = 20.57777777777778
20.57777777777778 x 100 = 2057.78%