-2.17% is the change from 92 to 90
Calculation steps:
[( 90 - 92 ) ÷ 92] x 100 = -2.17%
Formula
Percentage change = [(90 - 92) / 92] x 100
Subtract the new number by the original number
90 - 92 = -2
-2 ÷ 92 = -0.021739130434782608
-0.021739130434782608 x 100 = -2.17%