-17.78% is the change from 90 to 74
Calculation steps:
[( 74 - 90 ) ÷ 90] x 100 = -17.78%
Formula
Percentage change = [(74 - 90) / 90] x 100
Subtract the new number by the original number
74 - 90 = -16
-16 ÷ 90 = -0.17777777777777778
-0.17777777777777778 x 100 = -17.78%