1200% is the change from 75 to 975
Calculation steps:
[( 975 - 75 ) ÷ 75] x 100 = 1200%
Formula
Percentage change = [(975 - 75) / 75] x 100
Subtract the new number by the original number
975 - 75 = 900
900 ÷ 75 = 12
12 x 100 = 1200%
Example