-17.27% is the change from 637 to 527
Calculation steps:
[( 527 - 637 ) ÷ 637] x 100 = -17.27%
Formula
Percentage change = [(527 - 637) / 637] x 100
Subtract the new number by the original number
527 - 637 = -110
-110 ÷ 637 = -0.1726844583987441
-0.1726844583987441 x 100 = -17.27%