-49.89% is the change from 902 to 452
Calculation steps:
[( 452 - 902 ) ÷ 902] x 100 = -49.89%
Formula
Percentage change = [(452 - 902) / 902] x 100
Subtract the new number by the original number
452 - 902 = -450
-450 ÷ 902 = -0.49889135254988914
-0.49889135254988914 x 100 = -49.89%