-45.57% is the change from 902 to 491
Calculation steps:
[( 491 - 902 ) ÷ 902] x 100 = -45.57%
Formula
Percentage change = [(491 - 902) / 902] x 100
Subtract the new number by the original number
491 - 902 = -411
-411 ÷ 902 = -0.4556541019955654
-0.4556541019955654 x 100 = -45.57%