-84.38% is the change from 288 to 45
Calculation steps:
[( 45 - 288 ) ÷ 288] x 100 = -84.38%
Formula
Percentage change = [(45 - 288) / 288] x 100
Subtract the new number by the original number
45 - 288 = -243
-243 ÷ 288 = -0.84375
-0.84375 x 100 = -84.38%