-34.57% is the change from 784 to 513
Calculation steps:
[( 513 - 784 ) ÷ 784] x 100 = -34.57%
Formula
Percentage change = [(513 - 784) / 784] x 100
Subtract the new number by the original number
513 - 784 = -271
-271 ÷ 784 = -0.34566326530612246
-0.34566326530612246 x 100 = -34.57%