2337.5% is the change from 40 to 975
Calculation steps:
[( 975 - 40 ) ÷ 40] x 100 = 2337.5%
Formula
Percentage change = [(975 - 40) / 40] x 100
Subtract the new number by the original number
975 - 40 = 935
935 ÷ 40 = 23.375
23.375 x 100 = 2337.5%
Example