-31.49% is the change from 902 to 618
Calculation steps:
[( 618 - 902 ) ÷ 902] x 100 = -31.49%
Formula
Percentage change = [(618 - 902) / 902] x 100
Subtract the new number by the original number
618 - 902 = -284
-284 ÷ 902 = -0.3148558758314856
-0.3148558758314856 x 100 = -31.49%