-55.43% is the change from 902 to 402
Calculation steps:
[( 402 - 902 ) ÷ 902] x 100 = -55.43%
Formula
Percentage change = [(402 - 902) / 902] x 100
Subtract the new number by the original number
402 - 902 = -500
-500 ÷ 902 = -0.5543237250554324
-0.5543237250554324 x 100 = -55.43%