-19.77% is the change from 688 to 552
Calculation steps:
[( 552 - 688 ) ÷ 688] x 100 = -19.77%
Formula
Percentage change = [(552 - 688) / 688] x 100
Subtract the new number by the original number
552 - 688 = -136
-136 ÷ 688 = -0.19767441860465115
-0.19767441860465115 x 100 = -19.77%