-1.98% is the change from 202 to 198
Calculation steps:
[( 198 - 202 ) ÷ 202] x 100 = -1.98%
Formula
Percentage change = [(198 - 202) / 202] x 100
Subtract the new number by the original number
198 - 202 = -4
-4 ÷ 202 = -0.019801980198019802
-0.019801980198019802 x 100 = -1.98%